Answers

Add 90/63 and 35/30

1^st number: 1 27/63, 2^nd number: 1 5/30

90/63 + 35/30 is 109/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   90/63 = 90 × 10/63 × 10 = 900/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   35/30 = 35 × 21/30 × 21 = 735/630
4. Add the two like fractions:
   900/630 + 735/630 = 900 + 735/630 = 1635/630
5. 1635/630 simplified gives 109/42
6. So, 90/63 + 35/30 = 109/42
   In mixed form: 225/42

MathStep (Works offline)

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

Related: ⁹⁰/₆₃+⁷⁰/₃₀ ⁹⁰/₆₃+³⁵/₆₀ ⁹⁰/₆₃+³⁵/₉₀

Add Fractions Calculator