Subtract 35/63 from 16/30
16/30 - 35/63 is -1/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
16/30 = 16 × 21/30 × 21 = 336/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
35/63 = 35 × 10/63 × 10 = 350/630 - Subtract the two like fractions:
336/630 - 350/630 = 336 - 350/630 = -14/630 - After reducing the fraction, the answer is -1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30-35/63 16/30-70/63 16/60-35/63 48/30-35/63 16/90-35/63 80/30-35/63