Answers

Add 15/90 and 72/49

1^st number: 15/90, 2^nd number: 1 23/49

15/90 + 72/49 is 481/294.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 49 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   15/90 = 15 × 49/90 × 49 = 735/4410
3. Likewise, for the 2nd fraction, since 49 × 90 = 4410,
   72/49 = 72 × 90/49 × 90 = 6480/4410
4. Add the two like fractions:
   735/4410 + 6480/4410 = 735 + 6480/4410 = 7215/4410
5. 7215/4410 simplified gives 481/294
6. So, 15/90 + 72/49 = 481/294
   In mixed form: 1187/294

MathStep (Works offline)

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

Related: ³⁰/₉₀+⁷²/₄₉ ¹⁵/₉₀+⁷²/₉₈ ⁴⁵/₉₀+⁷²/₄₉ ⁷⁵/₉₀+⁷²/₄₉

Add Fractions Calculator