Subtract 14/30 from 63/72
63/72 - 14/30 is 49/120.
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,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
14/30 = 14 × 12/30 × 12 = 168/360 - Subtract the two like fractions:
315/360 - 168/360 = 315 - 168/360 = 147/360 - After reducing the fraction, the answer is 49/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/72-28/30 63/72-14/60 63/72-42/30 63/72-14/90 63/72-70/30 63/72-98/30