Add 1/72 and 15/40
1/72 + 15/40 is 7/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Add the two like fractions:
5/360 + 135/360 = 5 + 135/360 = 140/360 - 140/360 simplified gives 7/18
- So, 1/72 + 15/40 = 7/18
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