Add 70/12 and 54/63
1st number: 5 10/12, 2nd number: 54/63
70/12 + 54/63 is 281/42.
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,
70/12 = 70 × 21/12 × 21 = 1470/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
54/63 = 54 × 4/63 × 4 = 216/252 - Add the two like fractions:
1470/252 + 216/252 = 1470 + 216/252 = 1686/252 - 1686/252 simplified gives 281/42
- So, 70/12 + 54/63 = 281/42
In mixed form: 629/42
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