Add 4/40 and 40/30
1st number: 4/40, 2nd number: 1 10/30
4/40 + 40/30 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 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 30 × 4 = 120,
40/30 = 40 × 4/30 × 4 = 160/120 - Add the two like fractions:
12/120 + 160/120 = 12 + 160/120 = 172/120 - 172/120 simplified gives 43/30
- So, 4/40 + 40/30 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+40/30 4/40+80/30 4/80+40/30 4/40+40/60 12/40+40/30 4/40+40/90 20/40+40/30 28/40+40/30