Answers

Add 2/49 and 72/81

2/49 + 72/81 is 410/441.

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,
   2/49 = 2 × 81/49 × 81 = 162/3969
3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
   72/81 = 72 × 49/81 × 49 = 3528/3969
4. Add the two like fractions:
   162/3969 + 3528/3969 = 162 + 3528/3969 = 3690/3969
5. 3690/3969 simplified gives 410/441
6. So, 2/49 + 72/81 = 410/441

MathStep (Works offline)

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

Related: ⁴/₄₉+⁷²/₈₁ ²/₉₈+⁷²/₈₁ ⁶/₄₉+⁷²/₈₁ ¹⁰/₄₉+⁷²/₈₁ ¹⁴/₄₉+⁷²/₈₁

Add Fractions Calculator