Add 21/7 and 98/27
1st number: 3 0/7, 2nd number: 3 17/27
21/7 + 98/27 is 179/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
21/7 = 21 × 27/7 × 27 = 567/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
98/27 = 98 × 7/27 × 7 = 686/189 - Add the two like fractions:
567/189 + 686/189 = 567 + 686/189 = 1253/189 - 1253/189 simplified gives 179/27
- So, 21/7 + 98/27 = 179/27
In mixed form: 617/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+98/27 21/14+98/27 21/7+98/54 63/7+98/27 21/7+98/81 21/35+98/27 21/49+98/27