Subtract 2/30 from 54/63
54/63 - 2/30 is 83/105.
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,
54/63 = 54 × 10/63 × 10 = 540/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
2/30 = 2 × 21/30 × 21 = 42/630 - Subtract the two like fractions:
540/630 - 42/630 = 540 - 42/630 = 498/630 - After reducing the fraction, the answer is 83/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-4/30 54/63-2/60 54/63-6/30 54/63-2/90 54/63-10/30 54/63-14/30