Add 10/72 and 18/40
10/72 + 18/40 is 53/90.
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,
10/72 = 10 × 5/72 × 5 = 50/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
18/40 = 18 × 9/40 × 9 = 162/360 - Add the two like fractions:
50/360 + 162/360 = 50 + 162/360 = 212/360 - 212/360 simplified gives 53/90
- So, 10/72 + 18/40 = 53/90
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