Add 20/14 and 81/60
1st number: 1 6/14, 2nd number: 1 21/60
20/14 + 81/60 is 389/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
20/14 = 20 × 30/14 × 30 = 600/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Add the two like fractions:
600/420 + 567/420 = 600 + 567/420 = 1167/420 - 1167/420 simplified gives 389/140
- So, 20/14 + 81/60 = 389/140
In mixed form: 2109/140
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