Subtract 30/8 from 9/4
1st number: 2 1/4, 2nd number: 3 6/8
94 - 308 is -32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
94 = 9 × 24 × 2 = 188 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
308 = 30 × 18 × 1 = 308 - Subtract the two like fractions:
188 - 308 = 18 - 308 = -128 - After reducing the fraction, the answer is -32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-30/8 9/4-60/8 9/8-30/8 9/4-30/16 27/4-30/8 9/4-90/8 9/12-30/8 9/4-30/24 45/4-30/8 9/20-30/8 9/4-30/40 63/4-30/8 9/28-30/8 9/4-30/56