Add 20/98 and 28/40
20/98 + 28/40 is 443/490.
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,
20/98 = 20 × 20/98 × 20 = 400/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
28/40 = 28 × 49/40 × 49 = 1372/1960 - Add the two like fractions:
400/1960 + 1372/1960 = 400 + 1372/1960 = 1772/1960 - 1772/1960 simplified gives 443/490
- So, 20/98 + 28/40 = 443/490
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