Add 20/15 and 84/14
1st number: 1 5/15, 2nd number: 6 0/14
20/15 + 84/14 is 22/3.
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,
84/14 = 84 × 15/14 × 15 = 1260/210 - Add the two like fractions:
280/210 + 1260/210 = 280 + 1260/210 = 1540/210 - 1540/210 simplified gives 22/3
- So, 20/15 + 84/14 = 22/3
In mixed form: 71/3
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