Add 27/5 and 21/63
1st number: 5 2/5, 2nd number: 21/63
27/5 + 21/63 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
27/5 = 27 × 63/5 × 63 = 1701/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315 - Add the two like fractions:
1701/315 + 105/315 = 1701 + 105/315 = 1806/315 - 1806/315 simplified gives 86/15
- So, 27/5 + 21/63 = 86/15
In mixed form: 511/15
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