Answers

Add 90/28 and 35/72

1^st number: 3 6/28, 2^nd number: 35/72

90/28 + 35/72 is 1865/504.

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,
   90/28 = 90 × 18/28 × 18 = 1620/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   35/72 = 35 × 7/72 × 7 = 245/504
4. Add the two like fractions:
   1620/504 + 245/504 = 1620 + 245/504 = 1865/504
5. So, 90/28 + 35/72 = 1865/504
   In mixed form: 3353/504

MathStep (Works offline)

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

Related: ⁹⁰/₂₈+⁷⁰/₇₂ ⁹⁰/₅₆+³⁵/₇₂ ⁹⁰/₈₄+³⁵/₇₂

Add Fractions Calculator