Add 20/15 and 30/14
1st number: 1 5/15, 2nd number: 2 2/14
20/15 + 30/14 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
20/15 = 20 × 14/15 × 14 = 280/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
30/14 = 30 × 15/14 × 15 = 450/210 - Add the two like fractions:
280/210 + 450/210 = 280 + 450/210 = 730/210 - 730/210 simplified gives 73/21
- So, 20/15 + 30/14 = 73/21
In mixed form: 310/21
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