Subtract 35/84 from 42/30
1st number: 1 12/30, 2nd number: 35/84
42/30 - 35/84 is 59/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
42/30 = 42 × 14/30 × 14 = 588/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Subtract the two like fractions:
588/420 - 175/420 = 588 - 175/420 = 413/420 - After reducing the fraction, the answer is 59/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-35/84 42/30-70/84 42/60-35/84 42/90-35/84