Subtract 81/24 from 3/35
1st number: 3/35, 2nd number: 3 9/24
3/35 - 81/24 is -921/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 35 × 24 = 840,
3/35 = 3 × 24/35 × 24 = 72/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
81/24 = 81 × 35/24 × 35 = 2835/840 - Subtract the two like fractions:
72/840 - 2835/840 = 72 - 2835/840 = -2763/840 - After reducing the fraction, the answer is -921/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/35-81/24 3/70-81/24 3/35-81/48 9/35-81/24 3/35-81/72 15/35-81/24 21/35-81/24