Add 84/40 and 60/63, Solve 2 4/40 + 60/63 as a fraction

Add 84/40 and 60/63

1^st number: 2 4/40, 2^nd number: 60/63

84/40 + 60/63 is 641/210.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
84/40 = 84 × 63/40 × 63 = 5292/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
60/63 = 60 × 40/63 × 40 = 2400/2520
Add the two like fractions:
5292/2520 + 2400/2520 = 5292 + 2400/2520 = 7692/2520
7692/2520 simplified gives 641/210
So, 84/40 + 60/63 = 641/210
In mixed form: 311/210

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