Subtract 84/16 from 50/70
1st number: 50/70, 2nd number: 5 4/16
50/70 - 84/16 is -127/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
50/70 = 50 × 8/70 × 8 = 400/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
84/16 = 84 × 35/16 × 35 = 2940/560 - Subtract the two like fractions:
400/560 - 2940/560 = 400 - 2940/560 = -2540/560 - After reducing the fraction, the answer is -127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-84/32 50/70-84/48 50/70-84/80