Add 18/98 and 21/10
1st number: 18/98, 2nd number: 2 1/10
18/98 + 21/10 is 1119/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 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 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Add the two like fractions:
90/490 + 1029/490 = 90 + 1029/490 = 1119/490 - So, 18/98 + 21/10 = 1119/490
In mixed form: 2139/490
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