Subtract 4/16 from 70/30
1st number: 2 10/30, 2nd number: 4/16
70/30 - 4/16 is 25/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
70/30 = 70 × 8/30 × 8 = 560/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
4/16 = 4 × 15/16 × 15 = 60/240 - Subtract the two like fractions:
560/240 - 60/240 = 560 - 60/240 = 500/240 - After reducing the fraction, the answer is 25/12
- In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-8/16 70/60-4/16 70/30-4/32 70/30-12/16 70/90-4/16 70/30-4/48 70/30-20/16 70/30-4/80 70/30-28/16