Add 9/7 and 98/40
1st number: 1 2/7, 2nd number: 2 18/40
9/7 + 98/40 is 523/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
9/7 = 9 × 40/7 × 40 = 360/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
98/40 = 98 × 7/40 × 7 = 686/280 - Add the two like fractions:
360/280 + 686/280 = 360 + 686/280 = 1046/280 - 1046/280 simplified gives 523/140
- So, 9/7 + 98/40 = 523/140
In mixed form: 3103/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+98/40 9/14+98/40 9/7+98/80 27/7+98/40 9/21+98/40 45/7+98/40 9/35+98/40 63/7+98/40 9/49+98/40