Add 21/63 and 84/10
1st number: 21/63, 2nd number: 8 4/10
21/63 + 84/10 is 131/15.
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,
84/10 = 84 × 63/10 × 63 = 5292/630 - Add the two like fractions:
210/630 + 5292/630 = 210 + 5292/630 = 5502/630 - 5502/630 simplified gives 131/15
- So, 21/63 + 84/10 = 131/15
In mixed form: 811/15
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