Answers

Add 70/63 and 7/90

1^st number: 1 7/63, 2^nd number: 7/90

70/63 + 7/90 is 107/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   70/63 = 70 × 10/63 × 10 = 700/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   7/90 = 7 × 7/90 × 7 = 49/630
4. Add the two like fractions:
   700/630 + 49/630 = 700 + 49/630 = 749/630
5. 749/630 simplified gives 107/90
6. So, 70/63 + 7/90 = 107/90
   In mixed form: 117/90

MathStep (Works offline)

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

Related: ⁷⁰/₆₃+¹⁴/₉₀ ⁷⁰/₆₃+²¹/₉₀ ⁷⁰/₆₃+³⁵/₉₀ ⁷⁰/₆₃+⁴⁹/₉₀

Add Fractions Calculator