Add 21/98 and 90/75
1st number: 21/98, 2nd number: 1 15/75
21/98 + 90/75 is 99/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 75 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 98 × 75 = 7350,
21/98 = 21 × 75/98 × 75 = 1575/7350 - Likewise, for the 2nd fraction, since 75 × 98 = 7350,
90/75 = 90 × 98/75 × 98 = 8820/7350 - Add the two like fractions:
1575/7350 + 8820/7350 = 1575 + 8820/7350 = 10395/7350 - 10395/7350 simplified gives 99/70
- So, 21/98 + 90/75 = 99/70
In mixed form: 129/70
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