Add 70/20 and 81/98
1st number: 3 10/20, 2nd number: 81/98
70/20 + 81/98 is 212/49.
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,
81/98 = 81 × 10/98 × 10 = 810/980 - Add the two like fractions:
3430/980 + 810/980 = 3430 + 810/980 = 4240/980 - 4240/980 simplified gives 212/49
- So, 70/20 + 81/98 = 212/49
In mixed form: 416/49
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