Add 21/63 and 12/10
1st number: 21/63, 2nd number: 1 2/10
21/63 + 12/10 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 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 10 × 63 = 630,
12/10 = 12 × 63/10 × 63 = 756/630 - Add the two like fractions:
210/630 + 756/630 = 210 + 756/630 = 966/630 - 966/630 simplified gives 23/15
- So, 21/63 + 12/10 = 23/15
In mixed form: 18/15
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