Add 40/72 and 9/18
40/72 + 9/18 is 19/18.
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,
9/18 = 9 × 4/18 × 4 = 36/72 - Add the two like fractions:
40/72 + 36/72 = 40 + 36/72 = 76/72 - 76/72 simplified gives 19/18
- So, 40/72 + 9/18 = 19/18
In mixed form: 11/18
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