Add 25/40 and 24/30
25/40 + 24/30 is 57/40.
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,
24/30 = 24 × 4/30 × 4 = 96/120 - Add the two like fractions:
75/120 + 96/120 = 75 + 96/120 = 171/120 - 171/120 simplified gives 57/40
- So, 25/40 + 24/30 = 57/40
In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+24/30 25/40+48/30 25/80+24/30 25/40+24/60 75/40+24/30 25/40+72/30 25/40+24/90