Subtract 63/56 from 70/30
1st number: 2 10/30, 2nd number: 1 7/56
70/30 - 63/56 is 29/24.
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,
70/30 = 70 × 28/30 × 28 = 1960/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
63/56 = 63 × 15/56 × 15 = 945/840 - Subtract the two like fractions:
1960/840 - 945/840 = 1960 - 945/840 = 1015/840 - After reducing the fraction, the answer is 29/24
- In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-63/56 70/90-63/56