Add 15/25 and 21/35
15/25 + 21/35 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
15/25 = 15 × 7/25 × 7 = 105/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
21/35 = 21 × 5/35 × 5 = 105/175 - Add the two like fractions:
105/175 + 105/175 = 105 + 105/175 = 210/175 - 210/175 simplified gives 6/5
- So, 15/25 + 21/35 = 6/5
In mixed form: 11/5
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