Add 90/21 and 21/25
1st number: 4 6/21, 2nd number: 21/25
90/21 + 21/25 is 897/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
90/21 = 90 × 25/21 × 25 = 2250/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
21/25 = 21 × 21/25 × 21 = 441/525 - Add the two like fractions:
2250/525 + 441/525 = 2250 + 441/525 = 2691/525 - 2691/525 simplified gives 897/175
- So, 90/21 + 21/25 = 897/175
In mixed form: 522/175
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