Add 20/30 and 81/14
1st number: 20/30, 2nd number: 5 11/14
20/30 + 81/14 is 271/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
81/14 = 81 × 15/14 × 15 = 1215/210 - Add the two like fractions:
140/210 + 1215/210 = 140 + 1215/210 = 1355/210 - 1355/210 simplified gives 271/42
- So, 20/30 + 81/14 = 271/42
In mixed form: 619/42
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