Add 21/98 and 90/25
1st number: 21/98, 2nd number: 3 15/25
21/98 + 90/25 is 267/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 25 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
21/98 = 21 × 25/98 × 25 = 525/2450 - Likewise, for the 2nd fraction, since 25 × 98 = 2450,
90/25 = 90 × 98/25 × 98 = 8820/2450 - Add the two like fractions:
525/2450 + 8820/2450 = 525 + 8820/2450 = 9345/2450 - 9345/2450 simplified gives 267/70
- So, 21/98 + 90/25 = 267/70
In mixed form: 357/70
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