Add 42/40 and 8/63, Solve 1 2/40 + 8/63 as a fraction

Add 42/40 and 8/63

1^st number: 1 2/40, 2^nd number: 8/63

42/40 + 8/63 is 1483/1260.

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,
42/40 = 42 × 63/40 × 63 = 2646/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
8/63 = 8 × 40/63 × 40 = 320/2520
Add the two like fractions:
2646/2520 + 320/2520 = 2646 + 320/2520 = 2966/2520
2966/2520 simplified gives 1483/1260
So, 42/40 + 8/63 = 1483/1260
In mixed form: 1223/1260

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