Subtract 30/63 from 12/4
1st number: 3 0/4, 2nd number: 30/63
12/4 - 30/63 is 53/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
12/4 = 12 × 63/4 × 63 = 756/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Subtract the two like fractions:
756/252 - 120/252 = 756 - 120/252 = 636/252 - After reducing the fraction, the answer is 53/21
- In mixed form: 211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-30/63 12/4-60/63 12/8-30/63 36/4-30/63 12/4-90/63 60/4-30/63 12/20-30/63 84/4-30/63 12/28-30/63