Add 18/7 and 1/40
1st number: 2 4/7, 2nd number: 1/40
18/7 + 1/40 is 727/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
18/7 = 18 × 40/7 × 40 = 720/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Add the two like fractions:
720/280 + 7/280 = 720 + 7/280 = 727/280 - So, 18/7 + 1/40 = 727/280
In mixed form: 2167/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+1/40 18/7+2/40 18/14+1/40 18/7+1/80 54/7+1/40 18/7+3/40 18/21+1/40 90/7+1/40 18/7+5/40 18/35+1/40 18/7+7/40 18/49+1/40