Subtract 35/48 from 42/30
1st number: 1 12/30, 2nd number: 35/48
42/30 - 35/48 is 161/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
35/48 = 35 × 5/48 × 5 = 175/240 - Subtract the two like fractions:
336/240 - 175/240 = 336 - 175/240 = 161/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-35/48 42/30-70/48 42/60-35/48 42/30-35/96 42/90-35/48