Subtract 1/70 from 48/30
1st number: 1 18/30, 2nd number: 1/70
48/30 - 1/70 is 111/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
48/30 = 48 × 7/30 × 7 = 336/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
1/70 = 1 × 3/70 × 3 = 3/210 - Subtract the two like fractions:
336/210 - 3/210 = 336 - 3/210 = 333/210 - After reducing the fraction, the answer is 111/70
- In mixed form: 141/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30-1/70 48/30-2/70 48/60-1/70 48/30-3/70 48/90-1/70 48/30-5/70 48/30-7/70