Add 90/98 and 7/20
90/98 + 7/20 is 1243/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
90/98 = 90 × 10/98 × 10 = 900/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
7/20 = 7 × 49/20 × 49 = 343/980 - Add the two like fractions:
900/980 + 343/980 = 900 + 343/980 = 1243/980 - So, 90/98 + 7/20 = 1243/980
In mixed form: 1263/980
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