Add 3/2 and 84/70
1st number: 1 1/2, 2nd number: 1 14/70
3/2 + 84/70 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
3/2 = 3 × 35/2 × 35 = 105/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
105/70 + 84/70 = 105 + 84/70 = 189/70 - 189/70 simplified gives 27/10
- So, 3/2 + 84/70 = 27/10
In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+84/70 3/4+84/70 9/2+84/70 3/6+84/70 15/2+84/70 3/10+84/70 21/2+84/70 3/14+84/70