Subtract 70/49 from 84/60
1st number: 1 24/60, 2nd number: 1 21/49
84/60 - 70/49 is -1/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
84/60 = 84 × 49/60 × 49 = 4116/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
70/49 = 70 × 60/49 × 60 = 4200/2940 - Subtract the two like fractions:
4116/2940 - 4200/2940 = 4116 - 4200/2940 = -84/2940 - After reducing the fraction, the answer is -1/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-70/98