Subtract 42/64 from 30/24
1st number: 1 6/24, 2nd number: 42/64
30/24 - 42/64 is 19/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 24 × 8 = 192,
30/24 = 30 × 8/24 × 8 = 240/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
42/64 = 42 × 3/64 × 3 = 126/192 - Subtract the two like fractions:
240/192 - 126/192 = 240 - 126/192 = 114/192 - After reducing the fraction, the answer is 19/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24-42/64 30/24-84/64 30/48-42/64 90/24-42/64 30/72-42/64