Add 18/20 and 90/98
18/20 + 90/98 is 891/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
90/98 = 90 × 10/98 × 10 = 900/980 - Add the two like fractions:
882/980 + 900/980 = 882 + 900/980 = 1782/980 - 1782/980 simplified gives 891/490
- So, 18/20 + 90/98 = 891/490
In mixed form: 1401/490
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