Add 63/80 and 42/56
63/80 + 42/56 is 123/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
42/56 = 42 × 10/56 × 10 = 420/560 - Add the two like fractions:
441/560 + 420/560 = 441 + 420/560 = 861/560 - 861/560 simplified gives 123/80
- So, 63/80 + 42/56 = 123/80
In mixed form: 143/80
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