Add 98/4 and 21/18
1st number: 24 2/4, 2nd number: 1 3/18
98/4 + 21/18 is 77/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
98/4 = 98 × 9/4 × 9 = 882/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36 - Add the two like fractions:
882/36 + 42/36 = 882 + 42/36 = 924/36 - 924/36 simplified gives 77/3
- So, 98/4 + 21/18 = 77/3
In mixed form: 252/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4+42/18 98/8+21/18 98/4+21/36 98/4+63/18 98/12+21/18 98/4+21/54 98/20+21/18 98/4+21/90 98/28+21/18