Subtract 70/30 from 4/63
1st number: 4/63, 2nd number: 2 10/30
4/63 - 70/30 is -143/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
4/63 = 4 × 10/63 × 10 = 40/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
70/30 = 70 × 21/30 × 21 = 1470/630 - Subtract the two like fractions:
40/630 - 1470/630 = 40 - 1470/630 = -1430/630 - After reducing the fraction, the answer is -143/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-70/30 4/63-70/60 12/63-70/30 4/63-70/90 20/63-70/30 28/63-70/30