Add 20/60 and 81/14
1st number: 20/60, 2nd number: 5 11/14
20/60 + 81/14 is 257/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
81/14 = 81 × 30/14 × 30 = 2430/420 - Add the two like fractions:
140/420 + 2430/420 = 140 + 2430/420 = 2570/420 - 2570/420 simplified gives 257/42
- So, 20/60 + 81/14 = 257/42
In mixed form: 65/42
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