Add 15/40 and 18/72
15/40 + 18/72 is 5/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Add the two like fractions:
135/360 + 90/360 = 135 + 90/360 = 225/360 - 225/360 simplified gives 5/8
- So, 15/40 + 18/72 = 5/8
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