Add 98/90 and 14/7
1st number: 1 8/90, 2nd number: 2 0/7
98/90 + 14/7 is 139/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
14/7 = 14 × 90/7 × 90 = 1260/630 - Add the two like fractions:
686/630 + 1260/630 = 686 + 1260/630 = 1946/630 - 1946/630 simplified gives 139/45
- So, 98/90 + 14/7 = 139/45
In mixed form: 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+28/7 98/90+42/7 98/90+14/21 98/90+70/7 98/90+14/35 98/90+98/7 98/90+14/49