Subtract 12/70 from 63/12
1st number: 5 3/12, 2nd number: 12/70
63/12 - 12/70 is 711/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
63/12 = 63 × 35/12 × 35 = 2205/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
12/70 = 12 × 6/70 × 6 = 72/420 - Subtract the two like fractions:
2205/420 - 72/420 = 2205 - 72/420 = 2133/420 - After reducing the fraction, the answer is 711/140
- In mixed form: 511/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-24/70 63/24-12/70 63/12-36/70 63/36-12/70 63/12-60/70 63/60-12/70 63/12-84/70 63/84-12/70