Add 54/18 and 40/28
1st number: 3 0/18, 2nd number: 1 12/28
54/18 + 40/28 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
54/18 = 54 × 14/18 × 14 = 756/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
40/28 = 40 × 9/28 × 9 = 360/252 - Add the two like fractions:
756/252 + 360/252 = 756 + 360/252 = 1116/252 - 1116/252 simplified gives 31/7
- So, 54/18 + 40/28 = 31/7
In mixed form: 43/7
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