Answers

Add 1/7 and 70/81

1/7 + 70/81 is 571/567.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   1/7 = 1 × 81/7 × 81 = 81/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   70/81 = 70 × 7/81 × 7 = 490/567
4. Add the two like fractions:
   81/567 + 490/567 = 81 + 490/567 = 571/567
5. So, 1/7 + 70/81 = 571/567
   In mixed form: 14/567

MathStep (Works offline)

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

Related: ²/₇+⁷⁰/₈₁ ¹/₁₄+⁷⁰/₈₁ ³/₇+⁷⁰/₈₁ ¹/₂₁+⁷⁰/₈₁ ⁵/₇+⁷⁰/₈₁ ¹/₃₅+⁷⁰/₈₁ ¹/₄₉+⁷⁰/₈₁

Add Fractions Calculator