Subtract 21/32 from 75/30
1st number: 2 15/30, 2nd number: 21/32
75/30 - 21/32 is 59/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
75/30 = 75 × 16/30 × 16 = 1200/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
21/32 = 21 × 15/32 × 15 = 315/480 - Subtract the two like fractions:
1200/480 - 315/480 = 1200 - 315/480 = 885/480 - After reducing the fraction, the answer is 59/32
- In mixed form: 127/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30-42/32 75/60-21/32 75/30-21/64 75/30-63/32 75/90-21/32 75/30-21/96