Add 27/30 and 21/63
27/30 + 21/63 is 37/30.
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,
21/63 = 21 × 10/63 × 10 = 210/630 - Add the two like fractions:
567/630 + 210/630 = 567 + 210/630 = 777/630 - 777/630 simplified gives 37/30
- So, 27/30 + 21/63 = 37/30
In mixed form: 17/30
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