Add 21/98 and 54/28
1st number: 21/98, 2nd number: 1 26/28
21/98 + 54/28 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 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 28 × 7 = 196,
54/28 = 54 × 7/28 × 7 = 378/196 - Add the two like fractions:
42/196 + 378/196 = 42 + 378/196 = 420/196 - 420/196 simplified gives 15/7
- So, 21/98 + 54/28 = 15/7
In mixed form: 21/7
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