Add 21/63 and 56/30
1st number: 21/63, 2nd number: 1 26/30
21/63 + 56/30 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
21/63 = 21 × 10/63 × 10 = 210/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
56/30 = 56 × 21/30 × 21 = 1176/630 - Add the two like fractions:
210/630 + 1176/630 = 210 + 1176/630 = 1386/630 - 1386/630 simplified gives 11/5
- So, 21/63 + 56/30 = 11/5
In mixed form: 21/5
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