Add 98/90 and 60/80
1st number: 1 8/90, 2nd number: 60/80
98/90 + 60/80 is 331/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
98/90 = 98 × 8/90 × 8 = 784/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Add the two like fractions:
784/720 + 540/720 = 784 + 540/720 = 1324/720 - 1324/720 simplified gives 331/180
- So, 98/90 + 60/80 = 331/180
In mixed form: 1151/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: