Add 12/8 and 81/20
1st number: 1 4/8, 2nd number: 4 1/20
12/8 + 81/20 is 111/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
81/20 = 81 × 2/20 × 2 = 162/40 - Add the two like fractions:
60/40 + 162/40 = 60 + 162/40 = 222/40 - 222/40 simplified gives 111/20
- So, 12/8 + 81/20 = 111/20
In mixed form: 511/20
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