Add 49/81 and 20/80
49/81 + 20/80 is 277/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 80 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 81 × 80 = 6480,
49/81 = 49 × 80/81 × 80 = 3920/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
20/80 = 20 × 81/80 × 81 = 1620/6480 - Add the two like fractions:
3920/6480 + 1620/6480 = 3920 + 1620/6480 = 5540/6480 - 5540/6480 simplified gives 277/324
- So, 49/81 + 20/80 = 277/324
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