Add 12/20 and 81/14
1st number: 12/20, 2nd number: 5 11/14
12/20 + 81/14 is 447/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
81/14 = 81 × 10/14 × 10 = 810/140 - Add the two like fractions:
84/140 + 810/140 = 84 + 810/140 = 894/140 - 894/140 simplified gives 447/70
- So, 12/20 + 81/14 = 447/70
In mixed form: 627/70
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