Subtract 1/30 from 35/72
35/72 - 1/30 is 163/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
35/72 = 35 × 5/72 × 5 = 175/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
1/30 = 1 × 12/30 × 12 = 12/360 - Subtract the two like fractions:
175/360 - 12/360 = 175 - 12/360 = 163/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-1/30 35/72-2/30 35/72-1/60 35/72-3/30 35/72-1/90 35/72-5/30 35/72-7/30