Add 21/14 and 25/15
1st number: 1 7/14, 2nd number: 1 10/15
21/14 + 25/15 is 19/6.
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,
21/14 = 21 × 15/14 × 15 = 315/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
25/15 = 25 × 14/15 × 14 = 350/210 - Add the two like fractions:
315/210 + 350/210 = 315 + 350/210 = 665/210 - 665/210 simplified gives 19/6
- So, 21/14 + 25/15 = 19/6
In mixed form: 31/6
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