Add 12/28 and 40/63
12/28 + 40/63 is 67/63.
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,
40/63 = 40 × 4/63 × 4 = 160/252 - Add the two like fractions:
108/252 + 160/252 = 108 + 160/252 = 268/252 - 268/252 simplified gives 67/63
- So, 12/28 + 40/63 = 67/63
In mixed form: 14/63
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