Add 45/14 and 84/70
1st number: 3 3/14, 2nd number: 1 14/70
45/14 + 84/70 is 309/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
45/14 = 45 × 5/14 × 5 = 225/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Add the two like fractions:
225/70 + 84/70 = 225 + 84/70 = 309/70 - So, 45/14 + 84/70 = 309/70
In mixed form: 429/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+84/70 45/28+84/70 45/42+84/70 45/70+84/70 45/98+84/70