Add 30/98 and 72/90
30/98 + 72/90 is 271/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
30/98 = 30 × 45/98 × 45 = 1350/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
72/90 = 72 × 49/90 × 49 = 3528/4410 - Add the two like fractions:
1350/4410 + 3528/4410 = 1350 + 3528/4410 = 4878/4410 - 4878/4410 simplified gives 271/245
- So, 30/98 + 72/90 = 271/245
In mixed form: 126/245
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