Add 21/15 and 90/14
1st number: 1 6/15, 2nd number: 6 6/14
21/15 + 90/14 is 274/35.
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,
21/15 = 21 × 14/15 × 14 = 294/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
90/14 = 90 × 15/14 × 15 = 1350/210 - Add the two like fractions:
294/210 + 1350/210 = 294 + 1350/210 = 1644/210 - 1644/210 simplified gives 274/35
- So, 21/15 + 90/14 = 274/35
In mixed form: 729/35
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