Add 25/40 and 42/24
1st number: 25/40, 2nd number: 1 18/24
25/40 + 42/24 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 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 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Add the two like fractions:
75/120 + 210/120 = 75 + 210/120 = 285/120 - 285/120 simplified gives 19/8
- So, 25/40 + 42/24 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+42/24 25/40+84/24 25/80+42/24 25/40+42/48 75/40+42/24 25/40+42/72