Add 3/40 and 7/72
3/40 + 7/72 is 31/180.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Add the two like fractions:
27/360 + 35/360 = 27 + 35/360 = 62/360 - 62/360 simplified gives 31/180
- So, 3/40 + 7/72 = 31/180
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