Answers

Add 54/28 and 15/72

1^st number: 1 26/28, 2^nd number: 15/72

54/28 + 15/72 is 359/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 28 × 18 = 504,
   54/28 = 54 × 18/28 × 18 = 972/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   15/72 = 15 × 7/72 × 7 = 105/504
4. Add the two like fractions:
   972/504 + 105/504 = 972 + 105/504 = 1077/504
5. 1077/504 simplified gives 359/168
6. So, 54/28 + 15/72 = 359/168
   In mixed form: 223/168

MathStep (Works offline)

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

Related: ⁵⁴/₂₈+³⁰/₇₂ ⁵⁴/₅₆+¹⁵/₇₂ ⁵⁴/₂₈+⁴⁵/₇₂ ⁵⁴/₈₄+¹⁵/₇₂ ⁵⁴/₂₈+⁷⁵/₇₂

Add Fractions Calculator