Add 21/20 and 28/98
1st number: 1 1/20, 2nd number: 28/98
21/20 + 28/98 is 187/140.
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,
21/20 = 21 × 49/20 × 49 = 1029/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
28/98 = 28 × 10/98 × 10 = 280/980 - Add the two like fractions:
1029/980 + 280/980 = 1029 + 280/980 = 1309/980 - 1309/980 simplified gives 187/140
- So, 21/20 + 28/98 = 187/140
In mixed form: 147/140
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