Add 42/12 and 28/63
1st number: 3 6/12, 2nd number: 28/63
42/12 + 28/63 is 71/18.
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,
42/12 = 42 × 21/12 × 21 = 882/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252 - Add the two like fractions:
882/252 + 112/252 = 882 + 112/252 = 994/252 - 994/252 simplified gives 71/18
- So, 42/12 + 28/63 = 71/18
In mixed form: 317/18
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