Add 7/98 and 70/90
7/98 + 70/90 is 107/126.
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,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Add the two like fractions:
315/4410 + 3430/4410 = 315 + 3430/4410 = 3745/4410 - 3745/4410 simplified gives 107/126
- So, 7/98 + 70/90 = 107/126
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