Subtract 30/70 from 16/48
16/48 - 30/70 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
16/48 = 16 × 35/48 × 35 = 560/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
30/70 = 30 × 24/70 × 24 = 720/1680 - Subtract the two like fractions:
560/1680 - 720/1680 = 560 - 720/1680 = -160/1680 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/48-30/70 16/48-60/70 16/96-30/70 16/48-90/70 80/48-30/70