Add 21/14 and 20/12
1st number: 1 7/14, 2nd number: 1 8/12
21/14 + 20/12 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
21/14 = 21 × 6/14 × 6 = 126/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
20/12 = 20 × 7/12 × 7 = 140/84 - Add the two like fractions:
126/84 + 140/84 = 126 + 140/84 = 266/84 - 266/84 simplified gives 19/6
- So, 21/14 + 20/12 = 19/6
In mixed form: 31/6
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