Add 40/72 and 15/12
1st number: 40/72, 2nd number: 1 3/12
40/72 + 15/12 is 65/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 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 12 × 6 = 72,
15/12 = 15 × 6/12 × 6 = 90/72 - Add the two like fractions:
40/72 + 90/72 = 40 + 90/72 = 130/72 - 130/72 simplified gives 65/36
- So, 40/72 + 15/12 = 65/36
In mixed form: 129/36
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