Add 42/49 and 45/56
42/49 + 45/56 is 93/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
45/56 = 45 × 7/56 × 7 = 315/392 - Add the two like fractions:
336/392 + 315/392 = 336 + 315/392 = 651/392 - 651/392 simplified gives 93/56
- So, 42/49 + 45/56 = 93/56
In mixed form: 137/56
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