Add 90/70 and 75/6
1st number: 1 20/70, 2nd number: 12 3/6
90/70 + 75/6 is 193/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
75/6 = 75 × 35/6 × 35 = 2625/210 - Add the two like fractions:
270/210 + 2625/210 = 270 + 2625/210 = 2895/210 - 2895/210 simplified gives 193/14
- So, 90/70 + 75/6 = 193/14
In mixed form: 1311/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+75/12 90/70+75/18 90/70+75/30 90/70+75/42