Add 7/98 and 72/20
1st number: 7/98, 2nd number: 3 12/20
7/98 + 72/20 is 257/70.
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,
7/98 = 7 × 10/98 × 10 = 70/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
72/20 = 72 × 49/20 × 49 = 3528/980 - Add the two like fractions:
70/980 + 3528/980 = 70 + 3528/980 = 3598/980 - 3598/980 simplified gives 257/70
- So, 7/98 + 72/20 = 257/70
In mixed form: 347/70
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