Add 20/14 and 81/30
1st number: 1 6/14, 2nd number: 2 21/30
20/14 + 81/30 is 289/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
81/30 = 81 × 7/30 × 7 = 567/210 - Add the two like fractions:
300/210 + 567/210 = 300 + 567/210 = 867/210 - 867/210 simplified gives 289/70
- So, 20/14 + 81/30 = 289/70
In mixed form: 49/70
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