Add 98/90 and 42/8
1st number: 1 8/90, 2nd number: 5 2/8
98/90 + 42/8 is 1141/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
98/90 = 98 × 4/90 × 4 = 392/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
42/8 = 42 × 45/8 × 45 = 1890/360 - Add the two like fractions:
392/360 + 1890/360 = 392 + 1890/360 = 2282/360 - 2282/360 simplified gives 1141/180
- So, 98/90 + 42/8 = 1141/180
In mixed form: 661/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+84/8 98/90+42/16 98/90+42/24 98/90+42/40 98/90+42/56