Add 12/40 and 36/72
12/40 + 36/72 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
12/40 = 12 × 9/40 × 9 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
36/72 = 36 × 5/72 × 5 = 180/360 - Add the two like fractions:
108/360 + 180/360 = 108 + 180/360 = 288/360 - 288/360 simplified gives 4/5
- So, 12/40 + 36/72 = 4/5
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