Add 27/7 and 63/20, Solve 3 6/7 + 3 3/20 as a fraction

Add 27/7 and 63/20

1^st number: 3 6/7, 2^nd number: 3 3/20

27/7 + 63/20 is 981/140.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 7 × 20 = 140,
27/7 = 27 × 20/7 × 20 = 540/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140
Add the two like fractions:
540/140 + 441/140 = 540 + 441/140 = 981/140
So, 27/7 + 63/20 = 981/140
In mixed form: 71/140

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