Subtract 30/64 from 35/45
35/45 - 30/64 is 89/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
35/45 = 35 × 64/45 × 64 = 2240/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
30/64 = 30 × 45/64 × 45 = 1350/2880 - Subtract the two like fractions:
2240/2880 - 1350/2880 = 2240 - 1350/2880 = 890/2880 - After reducing the fraction, the answer is 89/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-30/64 35/45-60/64 35/90-30/64 35/45-90/64