Add 56/12 and 9/15
1st number: 4 8/12, 2nd number: 9/15
56/12 + 9/15 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
56/12 = 56 × 5/12 × 5 = 280/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
9/15 = 9 × 4/15 × 4 = 36/60 - Add the two like fractions:
280/60 + 36/60 = 280 + 36/60 = 316/60 - 316/60 simplified gives 79/15
- So, 56/12 + 9/15 = 79/15
In mixed form: 54/15
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