Add 63/56 and 84/80, Solve 1 7/56 + 1 4/80 as a fraction

Add 63/56 and 84/80

1^st number: 1 7/56, 2^nd number: 1 4/80

63/56 + 84/80 is 87/40.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 56 × 10 = 560,
63/56 = 63 × 10/56 × 10 = 630/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560
Add the two like fractions:
630/560 + 588/560 = 630 + 588/560 = 1218/560
1218/560 simplified gives 87/40
So, 63/56 + 84/80 = 87/40
In mixed form: 27/40

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