Answers

Add 72/42 and 54/24

1^st number: 1 30/42, 2^nd number: 2 6/24

72/42 + 54/24 is 111/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   72/42 = 72 × 4/42 × 4 = 288/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   54/24 = 54 × 7/24 × 7 = 378/168
4. Add the two like fractions:
   288/168 + 378/168 = 288 + 378/168 = 666/168
5. 666/168 simplified gives 111/28
6. So, 72/42 + 54/24 = 111/28
   In mixed form: 327/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷²/₈₄+⁵⁴/₂₄ ⁷²/₄₂+⁵⁴/₄₈ ⁷²/₄₂+⁵⁴/₇₂

Add Fractions Calculator