Adding and Subtracting Fractions with Like Denominators Real World Problems

Frances rode her bike for one-fifth of a mile on Monday and two-fifths of a mile on Tuesday. How many miles did she ride altogether?

• Frances rode her bike for three-fifths of a mile altogether.

• Frances rode her bike for four-fifths of a mile altogether.

• Frances rode her bike for two-fifths of a mile altogether.

• Frances rode her bike for six-fifths of a mile altogether.

To add or subtract, two fractions must have...

• a monkey

• a common denominator

• unlike terms

• the same numerators

It took Gerard five-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, and five-sixths of an hour on Wednesday. How many hours did he take to complete his homework altogether?

• It took Gerard a half an hour to complete his homework altogether.

• It took Gerard two and two-fourth hours to complete his homework altogether.

• It took Gerard three and one-thrid hours to complete his homework altogether.

• It took Gerard three and one-fourth hours to complete his homework altogether.

When Alex had one cat, he needed to serve 1/2 of a can of cat food each day. Now that Alex has adopted a second cat, he needs to serve a total of 2/3 of a can each day. How much extra food is needed to feed the second cat?

Westford's zoo has two elephants. The male elephant weighs 33/5 tons and the female elephant weighs 14/5 tons. How much more does the male weigh than the female?

Gail made 7/8 quart of lemonade. Her sister drank 1/4 quart of the lemonade. How much lemonade is left?

• 1 quart

Oliver swam three - sevenths of a mile on Saturday and two - sevenths of a mile on Sunday. Which day did Oliver swim farther and by how much?

• Saturday, by 1/7 of a mile 

• Saturday, by 5/7 of a mile 

• Sunday, by 1/7 of a mile 

• Sunday, by 5/7 of a mile

MarthaMayMarbleWay has a pink ribbon and a purple ribbon. The pink ribbon is 6 1/5 inches long. The purple ribbon is 8 2/10 inches. How much ribbon does she have?