Add 15/80 and 2/72
15/80 + 2/72 is 31/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
2/72 = 2 × 10/72 × 10 = 20/720 - Add the two like fractions:
135/720 + 20/720 = 135 + 20/720 = 155/720 - 155/720 simplified gives 31/144
- So, 15/80 + 2/72 = 31/144
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