Add 6/21 and 72/63
1st number: 6/21, 2nd number: 1 9/63
6/21 + 72/63 is 10/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
6/21 = 6 × 3/21 × 3 = 18/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Add the two like fractions:
18/63 + 72/63 = 18 + 72/63 = 90/63 - 90/63 simplified gives 10/7
- So, 6/21 + 72/63 = 10/7
In mixed form: 13/7
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