Add 42/72 and 15/12
1st number: 42/72, 2nd number: 1 3/12
42/72 + 15/12 is 11/6.
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,
42/72 = 42 × 1/72 × 1 = 42/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
15/12 = 15 × 6/12 × 6 = 90/72 - Add the two like fractions:
42/72 + 90/72 = 42 + 90/72 = 132/72 - 132/72 simplified gives 11/6
- So, 42/72 + 15/12 = 11/6
In mixed form: 15/6
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