Add 15/72 and 12/80
15/72 + 12/80 is 43/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
15/72 = 15 × 10/72 × 10 = 150/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Add the two like fractions:
150/720 + 108/720 = 150 + 108/720 = 258/720 - 258/720 simplified gives 43/120
- So, 15/72 + 12/80 = 43/120
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