Add 40/48 and 30/63
40/48 + 30/63 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
40/48 = 40 × 21/48 × 21 = 840/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
30/63 = 30 × 16/63 × 16 = 480/1008 - Add the two like fractions:
840/1008 + 480/1008 = 840 + 480/1008 = 1320/1008 - 1320/1008 simplified gives 55/42
- So, 40/48 + 30/63 = 55/42
In mixed form: 113/42
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