Add 25/8 and 75/18
1st number: 3 1/8, 2nd number: 4 3/18
25/8 + 75/18 is 175/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
25/8 = 25 × 9/8 × 9 = 225/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
75/18 = 75 × 4/18 × 4 = 300/72 - Add the two like fractions:
225/72 + 300/72 = 225 + 300/72 = 525/72 - 525/72 simplified gives 175/24
- So, 25/8 + 75/18 = 175/24
In mixed form: 77/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+75/18 25/16+75/18 25/8+75/36 75/8+75/18 25/24+75/18 25/8+75/54 25/40+75/18 25/8+75/90 25/56+75/18