Add 25/40 and 40/30
1st number: 25/40, 2nd number: 1 10/30
25/40 + 40/30 is 47/24.
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,
25/40 = 25 × 3/40 × 3 = 75/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
40/30 = 40 × 4/30 × 4 = 160/120 - Add the two like fractions:
75/120 + 160/120 = 75 + 160/120 = 235/120 - 235/120 simplified gives 47/24
- So, 25/40 + 40/30 = 47/24
In mixed form: 123/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+40/30 25/40+80/30 25/80+40/30 25/40+40/60 75/40+40/30 25/40+40/90