Add 9/12 and 4/5
9/12 + 4/5 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
4/5 = 4 × 12/5 × 12 = 48/60 - Add the two like fractions:
45/60 + 48/60 = 45 + 48/60 = 93/60 - 93/60 simplified gives 31/20
- So, 9/12 + 4/5 = 31/20
In mixed form: 111/20
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