Answers

Add 90/21 and 30/32

1^st number: 4 6/21, 2^nd number: 30/32

90/21 + 30/32 is 585/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 21 × 32 = 672,
   90/21 = 90 × 32/21 × 32 = 2880/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   30/32 = 30 × 21/32 × 21 = 630/672
4. Add the two like fractions:
   2880/672 + 630/672 = 2880 + 630/672 = 3510/672
5. 3510/672 simplified gives 585/112
6. So, 90/21 + 30/32 = 585/112
   In mixed form: 525/112

MathStep (Works offline)

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

Related: ⁹⁰/₂₁+⁶⁰/₃₂ ⁹⁰/₄₂+³⁰/₃₂ ⁹⁰/₂₁+³⁰/₆₄ ⁹⁰/₂₁+⁹⁰/₃₂ ⁹⁰/₆₃+³⁰/₃₂ ⁹⁰/₂₁+³⁰/₉₆

Add Fractions Calculator