Add 63/98 and 20/40
63/98 + 20/40 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
63/98 = 63 × 20/98 × 20 = 1260/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
20/40 = 20 × 49/40 × 49 = 980/1960 - Add the two like fractions:
1260/1960 + 980/1960 = 1260 + 980/1960 = 2240/1960 - 2240/1960 simplified gives 8/7
- So, 63/98 + 20/40 = 8/7
In mixed form: 11/7
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