Add 7/20 and 8/35
7/20 + 8/35 is 81/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
7/20 = 7 × 7/20 × 7 = 49/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Add the two like fractions:
49/140 + 32/140 = 49 + 32/140 = 81/140 - So, 7/20 + 8/35 = 81/140
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