Add 42/60 and 9/12
42/60 + 9/12 is 29/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Add the two like fractions:
42/60 + 45/60 = 42 + 45/60 = 87/60 - 87/60 simplified gives 29/20
- So, 42/60 + 9/12 = 29/20
In mixed form: 19/20
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