Add 21/98 and 18/7
1st number: 21/98, 2nd number: 2 4/7
21/98 + 18/7 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
18/7 = 18 × 14/7 × 14 = 252/98 - Add the two like fractions:
21/98 + 252/98 = 21 + 252/98 = 273/98 - 273/98 simplified gives 39/14
- So, 21/98 + 18/7 = 39/14
In mixed form: 211/14
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