Subtract 42/8 from 24/90
1st number: 24/90, 2nd number: 5 2/8
24/90 - 42/8 is -299/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
24/90 = 24 × 4/90 × 4 = 96/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
42/8 = 42 × 45/8 × 45 = 1890/360 - Subtract the two like fractions:
96/360 - 1890/360 = 96 - 1890/360 = -1794/360 - After reducing the fraction, the answer is -299/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/90-42/8 24/90-84/8 24/90-42/16 72/90-42/8 24/90-42/24 24/90-42/40 24/90-42/56