Subtract 54/30 from 7/16
1st number: 7/16, 2nd number: 1 24/30
7/16 - 54/30 is -109/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
7/16 = 7 × 15/16 × 15 = 105/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
54/30 = 54 × 8/30 × 8 = 432/240 - Subtract the two like fractions:
105/240 - 432/240 = 105 - 432/240 = -327/240 - After reducing the fraction, the answer is -109/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16-54/30 7/32-54/30 7/16-54/60 21/16-54/30 7/48-54/30 7/16-54/90 35/16-54/30 7/80-54/30 49/16-54/30