Subtract 2/30 from 42/32
1st number: 1 10/32, 2nd number: 2/30
42/32 - 2/30 is 299/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
42/32 = 42 × 15/32 × 15 = 630/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
2/30 = 2 × 16/30 × 16 = 32/480 - Subtract the two like fractions:
630/480 - 32/480 = 630 - 32/480 = 598/480 - After reducing the fraction, the answer is 299/240
- In mixed form: 159/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-2/30 42/32-4/30 42/64-2/30 42/32-2/60 42/32-6/30 42/96-2/30 42/32-2/90 42/32-10/30 42/32-14/30