Add 12/14 and 21/20
1st number: 12/14, 2nd number: 1 1/20
12/14 + 21/20 is 267/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
12/14 = 12 × 10/14 × 10 = 120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
21/20 = 21 × 7/20 × 7 = 147/140 - Add the two like fractions:
120/140 + 147/140 = 120 + 147/140 = 267/140 - So, 12/14 + 21/20 = 267/140
In mixed form: 1127/140
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