Subtract 90/35 from 7/16
1st number: 7/16, 2nd number: 2 20/35
7/16 - 90/35 is -239/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
7/16 = 7 × 35/16 × 35 = 245/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
90/35 = 90 × 16/35 × 16 = 1440/560 - Subtract the two like fractions:
245/560 - 1440/560 = 245 - 1440/560 = -1195/560 - After reducing the fraction, the answer is -239/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16-90/35 7/32-90/35 7/16-90/70 21/16-90/35 7/48-90/35 35/16-90/35 7/80-90/35 49/16-90/35