Add 42/72 and 9/12
42/72 + 9/12 is 4/3.
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,
9/12 = 9 × 6/12 × 6 = 54/72 - Add the two like fractions:
42/72 + 54/72 = 42 + 54/72 = 96/72 - 96/72 simplified gives 4/3
- So, 42/72 + 9/12 = 4/3
In mixed form: 11/3
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