Add 80/63 and 7/40, Solve 1 17/63 + 7/40 as a fraction

Add 80/63 and 7/40

1^st number: 1 17/63, 2^nd number: 7/40

80/63 + 7/40 is 3641/2520.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 63 × 40 = 2520,
80/63 = 80 × 40/63 × 40 = 3200/2520
Likewise, for the 2nd fraction, since 40 × 63 = 2520,
7/40 = 7 × 63/40 × 63 = 441/2520
Add the two like fractions:
3200/2520 + 441/2520 = 3200 + 441/2520 = 3641/2520
So, 80/63 + 7/40 = 3641/2520
In mixed form: 11121/2520

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