Add 49/21 and 12/63
1st number: 2 7/21, 2nd number: 12/63
49/21 + 12/63 is 53/21.
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,
49/21 = 49 × 3/21 × 3 = 147/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Add the two like fractions:
147/63 + 12/63 = 147 + 12/63 = 159/63 - 159/63 simplified gives 53/21
- So, 49/21 + 12/63 = 53/21
In mixed form: 211/21
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