Add 18/7 and 4/40
1st number: 2 4/7, 2nd number: 4/40
18/7 + 4/40 is 187/70.
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,
4/40 = 4 × 7/40 × 7 = 28/280 - Add the two like fractions:
720/280 + 28/280 = 720 + 28/280 = 748/280 - 748/280 simplified gives 187/70
- So, 18/7 + 4/40 = 187/70
In mixed form: 247/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+4/40 18/7+8/40 18/14+4/40 18/7+4/80 54/7+4/40 18/7+12/40 18/21+4/40 90/7+4/40 18/7+20/40 18/35+4/40 18/7+28/40 18/49+4/40