Subtract 30/4 from 42/60
1st number: 42/60, 2nd number: 7 2/4
42/60 - 30/4 is -34/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Subtract the two like fractions:
42/60 - 450/60 = 42 - 450/60 = -408/60 - After reducing the fraction, the answer is -34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-30/4 42/60-60/4 42/60-30/8 42/60-90/4 42/60-30/12 42/60-30/20 42/60-30/28