Add 98/90 and 70/30
1st number: 1 8/90, 2nd number: 2 10/30
98/90 + 70/30 is 154/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Add the two like fractions:
98/90 + 210/90 = 98 + 210/90 = 308/90 - 308/90 simplified gives 154/45
- So, 98/90 + 70/30 = 154/45
In mixed form: 319/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+70/60 98/90+70/90