Add 72/98 and 2/20
72/98 + 2/20 is 409/490.
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,
72/98 = 72 × 10/98 × 10 = 720/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
2/20 = 2 × 49/20 × 49 = 98/980 - Add the two like fractions:
720/980 + 98/980 = 720 + 98/980 = 818/980 - 818/980 simplified gives 409/490
- So, 72/98 + 2/20 = 409/490
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