Add 20/7 and 2/45
1st number: 2 6/7, 2nd number: 2/45
20/7 + 2/45 is 914/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
20/7 = 20 × 45/7 × 45 = 900/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Add the two like fractions:
900/315 + 14/315 = 900 + 14/315 = 914/315 - So, 20/7 + 2/45 = 914/315
In mixed form: 2284/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+2/45 20/7+4/45 20/14+2/45 20/7+2/90 60/7+2/45 20/7+6/45 20/21+2/45 20/7+10/45 20/35+2/45 20/7+14/45 20/49+2/45