Add 3/14 and 72/20
1st number: 3/14, 2nd number: 3 12/20
3/14 + 72/20 is 267/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
3/14 = 3 × 10/14 × 10 = 30/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Add the two like fractions:
30/140 + 504/140 = 30 + 504/140 = 534/140 - 534/140 simplified gives 267/70
- So, 3/14 + 72/20 = 267/70
In mixed form: 357/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+72/20 3/28+72/20 3/14+72/40 9/14+72/20 3/42+72/20 3/14+72/60 15/14+72/20 3/70+72/20 21/14+72/20 3/98+72/20