Add 98/12 and 30/45
1st number: 8 2/12, 2nd number: 30/45
98/12 + 30/45 is 53/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
98/12 = 98 × 15/12 × 15 = 1470/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
30/45 = 30 × 4/45 × 4 = 120/180 - Add the two like fractions:
1470/180 + 120/180 = 1470 + 120/180 = 1590/180 - 1590/180 simplified gives 53/6
- So, 98/12 + 30/45 = 53/6
In mixed form: 85/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+60/45 98/24+30/45 98/12+30/90 98/12+90/45 98/36+30/45 98/60+30/45 98/84+30/45