Add 45/98 and 72/20
1st number: 45/98, 2nd number: 3 12/20
45/98 + 72/20 is 1989/490.
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,
45/98 = 45 × 10/98 × 10 = 450/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
72/20 = 72 × 49/20 × 49 = 3528/980 - Add the two like fractions:
450/980 + 3528/980 = 450 + 3528/980 = 3978/980 - 3978/980 simplified gives 1989/490
- So, 45/98 + 72/20 = 1989/490
In mixed form: 429/490
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