Add 15/72 and 12/18
15/72 + 12/18 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
12/18 = 12 × 4/18 × 4 = 48/72 - Add the two like fractions:
15/72 + 48/72 = 15 + 48/72 = 63/72 - 63/72 simplified gives 7/8
- So, 15/72 + 12/18 = 7/8
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