Subtract 35/40 from 48/42
1st number: 1 6/42, 2nd number: 35/40
48/42 - 35/40 is 15/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
48/42 = 48 × 20/42 × 20 = 960/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
35/40 = 35 × 21/40 × 21 = 735/840 - Subtract the two like fractions:
960/840 - 735/840 = 960 - 735/840 = 225/840 - After reducing the fraction, the answer is 15/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42-35/40 48/42-70/40 48/84-35/40 48/42-35/80