Subtract 16/56 from 42/30
1st number: 1 12/30, 2nd number: 16/56
42/30 - 16/56 is 39/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
42/30 = 42 × 28/30 × 28 = 1176/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
16/56 = 16 × 15/56 × 15 = 240/840 - Subtract the two like fractions:
1176/840 - 240/840 = 1176 - 240/840 = 936/840 - After reducing the fraction, the answer is 39/35
- In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-16/56 42/30-32/56 42/60-16/56 42/30-48/56 42/90-16/56 42/30-80/56