Add 98/18 and 42/8
1st number: 5 8/18, 2nd number: 5 2/8
98/18 + 42/8 is 385/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
98/18 = 98 × 4/18 × 4 = 392/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Add the two like fractions:
392/72 + 378/72 = 392 + 378/72 = 770/72 - 770/72 simplified gives 385/36
- So, 98/18 + 42/8 = 385/36
In mixed form: 1025/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+84/8 98/36+42/8 98/18+42/16 98/54+42/8 98/18+42/24 98/90+42/8 98/18+42/40 98/18+42/56