Add 84/70 and 3/28
1st number: 1 14/70, 2nd number: 3/28
84/70 + 3/28 is 183/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
84/70 = 84 × 2/70 × 2 = 168/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Add the two like fractions:
168/140 + 15/140 = 168 + 15/140 = 183/140 - So, 84/70 + 3/28 = 183/140
In mixed form: 143/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+6/28 84/70+3/56 84/70+9/28 84/70+3/84 84/70+15/28 84/70+21/28