Add 21/25 and 9/7
1st number: 21/25, 2nd number: 1 2/7
21/25 + 9/7 is 372/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 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 7 × 25 = 175,
9/7 = 9 × 25/7 × 25 = 225/175 - Add the two like fractions:
147/175 + 225/175 = 147 + 225/175 = 372/175 - So, 21/25 + 9/7 = 372/175
In mixed form: 222/175
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