Add 21/4 and 21/98
1st number: 5 1/4, 2nd number: 21/98
21/4 + 21/98 is 153/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
21/4 = 21 × 49/4 × 49 = 1029/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Add the two like fractions:
1029/196 + 42/196 = 1029 + 42/196 = 1071/196 - 1071/196 simplified gives 153/28
- So, 21/4 + 21/98 = 153/28
In mixed form: 513/28
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