Subtract 27/8 from 24/30
1st number: 24/30, 2nd number: 3 3/8
24/30 - 27/8 is -103/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
24/30 = 24 × 4/30 × 4 = 96/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
27/8 = 27 × 15/8 × 15 = 405/120 - Subtract the two like fractions:
96/120 - 405/120 = 96 - 405/120 = -309/120 - After reducing the fraction, the answer is -103/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-27/8 24/30-54/8 24/60-27/8 24/30-27/16 72/30-27/8 24/30-81/8 24/90-27/8 24/30-27/24 24/30-27/40 24/30-27/56