Add 3/40 and 15/72
3/40 + 15/72 is 17/60.
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,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Add the two like fractions:
27/360 + 75/360 = 27 + 75/360 = 102/360 - 102/360 simplified gives 17/60
- So, 3/40 + 15/72 = 17/60
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