Subtract 18/64 from 70/4
1st number: 17 2/4, 2nd number: 18/64
70/4 - 18/64 is 551/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 4 × 16 = 64,
70/4 = 70 × 16/4 × 16 = 1120/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
18/64 = 18 × 1/64 × 1 = 18/64 - Subtract the two like fractions:
1120/64 - 18/64 = 1120 - 18/64 = 1102/64 - After reducing the fraction, the answer is 551/32
- In mixed form: 177/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-36/64 70/8-18/64 70/4-54/64 70/12-18/64 70/4-90/64 70/20-18/64 70/28-18/64