Add 90/6 and 84/70
1st number: 15 0/6, 2nd number: 1 14/70
90/6 + 84/70 is 81/5.
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,
90/6 = 90 × 35/6 × 35 = 3150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
84/70 = 84 × 3/70 × 3 = 252/210 - Add the two like fractions:
3150/210 + 252/210 = 3150 + 252/210 = 3402/210 - 3402/210 simplified gives 81/5
- So, 90/6 + 84/70 = 81/5
In mixed form: 161/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+84/70 90/18+84/70 90/30+84/70 90/42+84/70