Add 45/14 and 18/30
1st number: 3 3/14, 2nd number: 18/30
45/14 + 18/30 is 267/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Add the two like fractions:
675/210 + 126/210 = 675 + 126/210 = 801/210 - 801/210 simplified gives 267/70
- So, 45/14 + 18/30 = 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: 90/14+18/30 45/14+36/30 45/28+18/30 45/14+18/60 45/14+54/30 45/42+18/30 45/14+18/90 45/14+90/30 45/70+18/30 45/98+18/30