Add 10/98 and 72/80
10/98 + 72/80 is 491/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
10/98 = 10 × 40/98 × 40 = 400/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
72/80 = 72 × 49/80 × 49 = 3528/3920 - Add the two like fractions:
400/3920 + 3528/3920 = 400 + 3528/3920 = 3928/3920 - 3928/3920 simplified gives 491/490
- So, 10/98 + 72/80 = 491/490
In mixed form: 11/490
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