Add 4/40 and 6/15
4/40 + 6/15 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
6/15 = 6 × 8/15 × 8 = 48/120 - Add the two like fractions:
12/120 + 48/120 = 12 + 48/120 = 60/120 - 60/120 simplified gives 1/2
- So, 4/40 + 6/15 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+6/15 4/40+12/15 4/80+6/15 4/40+6/30 12/40+6/15 4/40+18/15 4/40+6/45 20/40+6/15 4/40+30/15 4/40+6/75 28/40+6/15 4/40+42/15