Add 98/12 and 30/7
1st number: 8 2/12, 2nd number: 4 2/7
98/12 + 30/7 is 523/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
30/7 = 30 × 12/7 × 12 = 360/84 - Add the two like fractions:
686/84 + 360/84 = 686 + 360/84 = 1046/84 - 1046/84 simplified gives 523/42
- So, 98/12 + 30/7 = 523/42
In mixed form: 1219/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+60/7 98/24+30/7 98/12+30/14 98/12+90/7 98/36+30/7 98/12+30/21 98/60+30/7 98/12+30/35 98/84+30/7 98/12+30/49