Add 28/12 and 75/63
1st number: 2 4/12, 2nd number: 1 12/63
28/12 + 75/63 is 74/21.
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,
28/12 = 28 × 21/12 × 21 = 588/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
75/63 = 75 × 4/63 × 4 = 300/252 - Add the two like fractions:
588/252 + 300/252 = 588 + 300/252 = 888/252 - 888/252 simplified gives 74/21
- So, 28/12 + 75/63 = 74/21
In mixed form: 311/21
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