Add 4/40 and 40/75
4/40 + 40/75 is 19/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
4/40 = 4 × 15/40 × 15 = 60/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
40/75 = 40 × 8/75 × 8 = 320/600 - Add the two like fractions:
60/600 + 320/600 = 60 + 320/600 = 380/600 - 380/600 simplified gives 19/30
- So, 4/40 + 40/75 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+40/75 4/40+80/75 4/80+40/75 12/40+40/75 20/40+40/75 28/40+40/75