Add 70/98 and 63/90
70/98 + 63/90 is 99/70.
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,
70/98 = 70 × 45/98 × 45 = 3150/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Add the two like fractions:
3150/4410 + 3087/4410 = 3150 + 3087/4410 = 6237/4410 - 6237/4410 simplified gives 99/70
- So, 70/98 + 63/90 = 99/70
In mixed form: 129/70
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