Add 21/25 and 28/35
21/25 + 28/35 is 41/25.
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,
21/25 = 21 × 7/25 × 7 = 147/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
28/35 = 28 × 5/35 × 5 = 140/175 - Add the two like fractions:
147/175 + 140/175 = 147 + 140/175 = 287/175 - 287/175 simplified gives 41/25
- So, 21/25 + 28/35 = 41/25
In mixed form: 116/25
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