Subtract 12/70 from 32/45
32/45 - 12/70 is 34/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
32/45 = 32 × 14/45 × 14 = 448/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Subtract the two like fractions:
448/630 - 108/630 = 448 - 108/630 = 340/630 - After reducing the fraction, the answer is 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/45-12/70 32/45-24/70 32/90-12/70 96/45-12/70 32/45-36/70 32/45-60/70 32/45-84/70