Add 18/98 and 81/70
1st number: 18/98, 2nd number: 1 11/70
18/98 + 81/70 is 657/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
18/98 = 18 × 5/98 × 5 = 90/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
81/70 = 81 × 7/70 × 7 = 567/490 - Add the two like fractions:
90/490 + 567/490 = 90 + 567/490 = 657/490 - So, 18/98 + 81/70 = 657/490
In mixed form: 1167/490
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