Add 7/40 and 1/72
7/40 + 1/72 is 17/90.
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,
7/40 = 7 × 9/40 × 9 = 63/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Add the two like fractions:
63/360 + 5/360 = 63 + 5/360 = 68/360 - 68/360 simplified gives 17/90
- So, 7/40 + 1/72 = 17/90
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