Add 40/72 and 12/18
40/72 + 12/18 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
40/72 = 40 × 1/72 × 1 = 40/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
12/18 = 12 × 4/18 × 4 = 48/72 - Add the two like fractions:
40/72 + 48/72 = 40 + 48/72 = 88/72 - 88/72 simplified gives 11/9
- So, 40/72 + 12/18 = 11/9
In mixed form: 12/9
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