Add 90/3 and 20/70
1st number: 30 0/3, 2nd number: 20/70
90/3 + 20/70 is 212/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
90/3 = 90 × 70/3 × 70 = 6300/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Add the two like fractions:
6300/210 + 60/210 = 6300 + 60/210 = 6360/210 - 6360/210 simplified gives 212/7
- So, 90/3 + 20/70 = 212/7
In mixed form: 302/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+40/70 90/6+20/70 90/3+60/70 90/9+20/70 90/15+20/70 90/21+20/70