Add 15/72 and 30/40
15/72 + 30/40 is 23/24.
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,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Add the two like fractions:
75/360 + 270/360 = 75 + 270/360 = 345/360 - 345/360 simplified gives 23/24
- So, 15/72 + 30/40 = 23/24
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