Subtract 42/6 from 15/35
1st number: 15/35, 2nd number: 7 0/6
15/35 - 42/6 is -46/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
15/35 = 15 × 6/35 × 6 = 90/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
42/6 = 42 × 35/6 × 35 = 1470/210 - Subtract the two like fractions:
90/210 - 1470/210 = 90 - 1470/210 = -1380/210 - After reducing the fraction, the answer is -46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-42/6 15/35-84/6 15/70-42/6 15/35-42/12 45/35-42/6 15/35-42/18 75/35-42/6 15/35-42/30