Answers

Add 3/49 and 70/81

3/49 + 70/81 is 3673/3969.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 81 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 49 × 81 = 3969,
   3/49 = 3 × 81/49 × 81 = 243/3969
3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
   70/81 = 70 × 49/81 × 49 = 3430/3969
4. Add the two like fractions:
   243/3969 + 3430/3969 = 243 + 3430/3969 = 3673/3969
5. So, 3/49 + 70/81 = 3673/3969

MathStep (Works offline)

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

Related: ⁶/₄₉+⁷⁰/₈₁ ³/₉₈+⁷⁰/₈₁ ⁹/₄₉+⁷⁰/₈₁ ¹⁵/₄₉+⁷⁰/₈₁ ²¹/₄₉+⁷⁰/₈₁

Add Fractions Calculator