Add 5/6 and 90/70
1st number: 5/6, 2nd number: 1 20/70
5/6 + 90/70 is 89/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
5/6 = 5 × 35/6 × 35 = 175/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
175/210 + 270/210 = 175 + 270/210 = 445/210 - 445/210 simplified gives 89/42
- So, 5/6 + 90/70 = 89/42
In mixed form: 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6+90/70 5/12+90/70 15/6+90/70 5/18+90/70 25/6+90/70 5/30+90/70 35/6+90/70 5/42+90/70