Subtract 60/35 from 45/30
1st number: 1 15/30, 2nd number: 1 25/35
45/30 - 60/35 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
60/35 = 60 × 6/35 × 6 = 360/210 - Subtract the two like fractions:
315/210 - 360/210 = 315 - 360/210 = -45/210 - After reducing the fraction, the answer is -3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-60/35 45/60-60/35 45/30-60/70 45/90-60/35