Add 98/21 and 75/27
1st number: 4 14/21, 2nd number: 2 21/27
98/21 + 75/27 is 67/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
98/21 = 98 × 9/21 × 9 = 882/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
75/27 = 75 × 7/27 × 7 = 525/189 - Add the two like fractions:
882/189 + 525/189 = 882 + 525/189 = 1407/189 - 1407/189 simplified gives 67/9
- So, 98/21 + 75/27 = 67/9
In mixed form: 74/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+75/27 98/21+75/54 98/63+75/27 98/21+75/81