Answers

Add 70/9 and 21/98

1^st number: 7 7/9, 2^nd number: 21/98

70/9 + 21/98 is 1007/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 9 × 98 = 882,
   70/9 = 70 × 98/9 × 98 = 6860/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   21/98 = 21 × 9/98 × 9 = 189/882
4. Add the two like fractions:
   6860/882 + 189/882 = 6860 + 189/882 = 7049/882
5. 7049/882 simplified gives 1007/126
6. So, 70/9 + 21/98 = 1007/126
   In mixed form: 7125/126

MathStep (Works offline)

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

Related: ⁷⁰/₉+⁴²/₉₈ ⁷⁰/₁₈+²¹/₉₈ ⁷⁰/₉+⁶³/₉₈ ⁷⁰/₂₇+²¹/₉₈ ⁷⁰/₄₅+²¹/₉₈ ⁷⁰/₆₃+²¹/₉₈

Add Fractions Calculator