Add 21/98 and 7/4
1st number: 21/98, 2nd number: 1 3/4
21/98 + 7/4 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
7/4 = 7 × 49/4 × 49 = 343/196 - Add the two like fractions:
42/196 + 343/196 = 42 + 343/196 = 385/196 - 385/196 simplified gives 55/28
- So, 21/98 + 7/4 = 55/28
In mixed form: 127/28
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