Add 21/49 and 8/20
21/49 + 8/20 is 29/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
21/49 = 21 × 20/49 × 20 = 420/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
8/20 = 8 × 49/20 × 49 = 392/980 - Add the two like fractions:
420/980 + 392/980 = 420 + 392/980 = 812/980 - 812/980 simplified gives 29/35
- So, 21/49 + 8/20 = 29/35
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