Subtract 16/45 from 35/42
35/42 - 16/45 is 43/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
35/42 = 35 × 15/42 × 15 = 525/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
16/45 = 16 × 14/45 × 14 = 224/630 - Subtract the two like fractions:
525/630 - 224/630 = 525 - 224/630 = 301/630 - After reducing the fraction, the answer is 43/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-16/45 35/42-32/45 35/84-16/45 35/42-16/90 35/42-48/45 35/42-80/45