Add 98/21 and 81/4
1st number: 4 14/21, 2nd number: 20 1/4
98/21 + 81/4 is 299/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
98/21 = 98 × 4/21 × 4 = 392/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
81/4 = 81 × 21/4 × 21 = 1701/84 - Add the two like fractions:
392/84 + 1701/84 = 392 + 1701/84 = 2093/84 - 2093/84 simplified gives 299/12
- So, 98/21 + 81/4 = 299/12
In mixed form: 2411/12
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