Subtract 48/42 from 90/10
1st number: 9 0/10, 2nd number: 1 6/42
90/10 - 48/42 is 55/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
90/10 = 90 × 21/10 × 21 = 1890/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
48/42 = 48 × 5/42 × 5 = 240/210 - Subtract the two like fractions:
1890/210 - 240/210 = 1890 - 240/210 = 1650/210 - After reducing the fraction, the answer is 55/7
- In mixed form: 76/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-96/42 90/20-48/42 90/10-48/84 90/30-48/42 90/50-48/42 90/70-48/42