Add 72/20 and 9/98
1st number: 3 12/20, 2nd number: 9/98
72/20 + 9/98 is 1809/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
72/20 = 72 × 49/20 × 49 = 3528/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
9/98 = 9 × 10/98 × 10 = 90/980 - Add the two like fractions:
3528/980 + 90/980 = 3528 + 90/980 = 3618/980 - 3618/980 simplified gives 1809/490
- So, 72/20 + 9/98 = 1809/490
In mixed form: 3339/490
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