Add 40/60 and 45/72
40/60 + 45/72 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
40/60 = 40 × 6/60 × 6 = 240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
240/360 + 225/360 = 240 + 225/360 = 465/360 - 465/360 simplified gives 31/24
- So, 40/60 + 45/72 = 31/24
In mixed form: 17/24
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