Add 20/14 and 1/45
1st number: 1 6/14, 2nd number: 1/45
20/14 + 1/45 is 457/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
20/14 = 20 × 45/14 × 45 = 900/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Add the two like fractions:
900/630 + 14/630 = 900 + 14/630 = 914/630 - 914/630 simplified gives 457/315
- So, 20/14 + 1/45 = 457/315
In mixed form: 1142/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+1/45 20/14+2/45 20/28+1/45 20/14+1/90 60/14+1/45 20/14+3/45 20/42+1/45 20/14+5/45 20/70+1/45 20/14+7/45 20/98+1/45