Add 40/28 and 18/63
1st number: 1 12/28, 2nd number: 18/63
40/28 + 18/63 is 12/7.
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,
40/28 = 40 × 9/28 × 9 = 360/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Add the two like fractions:
360/252 + 72/252 = 360 + 72/252 = 432/252 - 432/252 simplified gives 12/7
- So, 40/28 + 18/63 = 12/7
In mixed form: 15/7
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