Add 45/72 and 12/40
45/72 + 12/40 is 37/40.
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,
45/72 = 45 × 5/72 × 5 = 225/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
12/40 = 12 × 9/40 × 9 = 108/360 - Add the two like fractions:
225/360 + 108/360 = 225 + 108/360 = 333/360 - 333/360 simplified gives 37/40
- So, 45/72 + 12/40 = 37/40
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