Add 5/40 and 7/18
5/40 + 7/18 is 37/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
7/18 = 7 × 20/18 × 20 = 140/360 - Add the two like fractions:
45/360 + 140/360 = 45 + 140/360 = 185/360 - 185/360 simplified gives 37/72
- So, 5/40 + 7/18 = 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+7/18 5/40+14/18 5/80+7/18 5/40+7/36 15/40+7/18 5/40+21/18 5/40+7/54 25/40+7/18 5/40+35/18 5/40+7/90 35/40+7/18 5/40+49/18