Add 20/15 and 40/63
1st number: 1 5/15, 2nd number: 40/63
20/15 + 40/63 is 124/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
20/15 = 20 × 21/15 × 21 = 420/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
420/315 + 200/315 = 420 + 200/315 = 620/315 - 620/315 simplified gives 124/63
- So, 20/15 + 40/63 = 124/63
In mixed form: 161/63
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