Add 40/36 and 64/21, Solve 1 4/36 + 3 1/21 as a fraction

Add 40/36 and 64/21

1^st number: 1 4/36, 2^nd number: 3 1/21

40/36 + 64/21 is 262/63.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
40/36 = 40 × 7/36 × 7 = 280/252
Likewise, for the 2nd fraction, since 21 × 12 = 252,
64/21 = 64 × 12/21 × 12 = 768/252
Add the two like fractions:
280/252 + 768/252 = 280 + 768/252 = 1048/252
1048/252 simplified gives 262/63
So, 40/36 + 64/21 = 262/63
In mixed form: 410/63

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