Add 98/30 and 18/7
1st number: 3 8/30, 2nd number: 2 4/7
98/30 + 18/7 is 613/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
18/7 = 18 × 30/7 × 30 = 540/210 - Add the two like fractions:
686/210 + 540/210 = 686 + 540/210 = 1226/210 - 1226/210 simplified gives 613/105
- So, 98/30 + 18/7 = 613/105
In mixed form: 588/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30+36/7 98/60+18/7 98/30+18/14 98/30+54/7 98/90+18/7 98/30+18/21 98/30+90/7 98/30+18/35 98/30+18/49