Add 63/98 and 15/20
63/98 + 15/20 is 39/28.
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,
63/98 = 63 × 10/98 × 10 = 630/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
15/20 = 15 × 49/20 × 49 = 735/980 - Add the two like fractions:
630/980 + 735/980 = 630 + 735/980 = 1365/980 - 1365/980 simplified gives 39/28
- So, 63/98 + 15/20 = 39/28
In mixed form: 111/28
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