Subtract 42/50 from 9/35
9/35 - 42/50 is -102/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 35 × 10 = 350,
9/35 = 9 × 10/35 × 10 = 90/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
42/50 = 42 × 7/50 × 7 = 294/350 - Subtract the two like fractions:
90/350 - 294/350 = 90 - 294/350 = -204/350 - After reducing the fraction, the answer is -102/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/35-42/50 9/35-84/50 9/70-42/50 27/35-42/50 45/35-42/50 63/35-42/50