Add 20/14 and 90/15
1st number: 1 6/14, 2nd number: 6 0/15
20/14 + 90/15 is 52/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 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 15 × 14 = 210,
90/15 = 90 × 14/15 × 14 = 1260/210 - Add the two like fractions:
300/210 + 1260/210 = 300 + 1260/210 = 1560/210 - 1560/210 simplified gives 52/7
- So, 20/14 + 90/15 = 52/7
In mixed form: 73/7
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