Add 63/15 and 27/40, Solve 4 3/15 + 27/40 as a fraction

Add 63/15 and 27/40

1^st number: 4 3/15, 2^nd number: 27/40

63/15 + 27/40 is 39/8.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120
Add the two like fractions:
504/120 + 81/120 = 504 + 81/120 = 585/120
585/120 simplified gives 39/8
So, 63/15 + 27/40 = 39/8
In mixed form: 47/8

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