Add 7/40 and 12/18
7/40 + 12/18 is 101/120.
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,
7/40 = 7 × 9/40 × 9 = 63/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
12/18 = 12 × 20/18 × 20 = 240/360 - Add the two like fractions:
63/360 + 240/360 = 63 + 240/360 = 303/360 - 303/360 simplified gives 101/120
- So, 7/40 + 12/18 = 101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+12/18 7/40+24/18 7/80+12/18 7/40+12/36 21/40+12/18 7/40+36/18 7/40+12/54 35/40+12/18 7/40+60/18 7/40+12/90 49/40+12/18 7/40+84/18