Add 27/30 and 7/63
27/30 + 7/63 is 91/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
27/30 = 27 × 21/30 × 21 = 567/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Add the two like fractions:
567/630 + 70/630 = 567 + 70/630 = 637/630 - 637/630 simplified gives 91/90
- So, 27/30 + 7/63 = 91/90
In mixed form: 11/90
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