Add 20/98 and 90/7
1st number: 20/98, 2nd number: 12 6/7
20/98 + 90/7 is 640/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
20/98 = 20 × 1/98 × 1 = 20/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
90/7 = 90 × 14/7 × 14 = 1260/98 - Add the two like fractions:
20/98 + 1260/98 = 20 + 1260/98 = 1280/98 - 1280/98 simplified gives 640/49
- So, 20/98 + 90/7 = 640/49
In mixed form: 133/49
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