Add 21/10 and 20/63
1st number: 2 1/10, 2nd number: 20/63
21/10 + 20/63 is 1523/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
21/10 = 21 × 63/10 × 63 = 1323/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630 - Add the two like fractions:
1323/630 + 200/630 = 1323 + 200/630 = 1523/630 - So, 21/10 + 20/63 = 1523/630
In mixed form: 2263/630
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