Add 30/12 and 72/63
1st number: 2 6/12, 2nd number: 1 9/63
30/12 + 72/63 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
30/12 = 30 × 21/12 × 21 = 630/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
630/252 + 288/252 = 630 + 288/252 = 918/252 - 918/252 simplified gives 51/14
- So, 30/12 + 72/63 = 51/14
In mixed form: 39/14
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