Subtract 84/64 from 30/10
1st number: 3 0/10, 2nd number: 1 20/64
30/10 - 84/64 is 27/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 10 × 32 = 320,
30/10 = 30 × 32/10 × 32 = 960/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
84/64 = 84 × 5/64 × 5 = 420/320 - Subtract the two like fractions:
960/320 - 420/320 = 960 - 420/320 = 540/320 - After reducing the fraction, the answer is 27/16
- In mixed form: 111/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-84/64 30/20-84/64 90/10-84/64 30/50-84/64 30/70-84/64