Add 18/72 and 24/40
18/72 + 24/40 is 17/20.
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,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
24/40 = 24 × 9/40 × 9 = 216/360 - Add the two like fractions:
90/360 + 216/360 = 90 + 216/360 = 306/360 - 306/360 simplified gives 17/20
- So, 18/72 + 24/40 = 17/20
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