Add 7/98 and 30/90
7/98 + 30/90 is 17/42.
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,
7/98 = 7 × 45/98 × 45 = 315/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
30/90 = 30 × 49/90 × 49 = 1470/4410 - Add the two like fractions:
315/4410 + 1470/4410 = 315 + 1470/4410 = 1785/4410 - 1785/4410 simplified gives 17/42
- So, 7/98 + 30/90 = 17/42
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