Add 20/49 and 7/80
20/49 + 7/80 is 1943/3920.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
20/49 = 20 × 80/49 × 80 = 1600/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
7/80 = 7 × 49/80 × 49 = 343/3920 - Add the two like fractions:
1600/3920 + 343/3920 = 1600 + 343/3920 = 1943/3920 - So, 20/49 + 7/80 = 1943/3920
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