Add 12/28 and 45/63
12/28 + 45/63 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
12/28 = 12 × 9/28 × 9 = 108/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Add the two like fractions:
108/252 + 180/252 = 108 + 180/252 = 288/252 - 288/252 simplified gives 8/7
- So, 12/28 + 45/63 = 8/7
In mixed form: 11/7
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