Add 70/20 and 7/98
1st number: 3 10/20, 2nd number: 7/98
70/20 + 7/98 is 25/7.
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,
70/20 = 70 × 49/20 × 49 = 3430/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
7/98 = 7 × 10/98 × 10 = 70/980 - Add the two like fractions:
3430/980 + 70/980 = 3430 + 70/980 = 3500/980 - 3500/980 simplified gives 25/7
- So, 70/20 + 7/98 = 25/7
In mixed form: 34/7
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