Add 70/14 and 90/75
1st number: 5 0/14, 2nd number: 1 15/75
70/14 + 90/75 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 14 × 75 = 1050,
70/14 = 70 × 75/14 × 75 = 5250/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
5250/1050 + 1260/1050 = 5250 + 1260/1050 = 6510/1050 - 6510/1050 simplified gives 31/5
- So, 70/14 + 90/75 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+90/75 70/42+90/75 70/98+90/75