Add 20/56 and 42/49
20/56 + 42/49 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
20/56 = 20 × 7/56 × 7 = 140/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Add the two like fractions:
140/392 + 336/392 = 140 + 336/392 = 476/392 - 476/392 simplified gives 17/14
- So, 20/56 + 42/49 = 17/14
In mixed form: 13/14
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