Add 15/20 and 28/98
15/20 + 28/98 is 29/28.
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,
15/20 = 15 × 49/20 × 49 = 735/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
28/98 = 28 × 10/98 × 10 = 280/980 - Add the two like fractions:
735/980 + 280/980 = 735 + 280/980 = 1015/980 - 1015/980 simplified gives 29/28
- So, 15/20 + 28/98 = 29/28
In mixed form: 11/28
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