Subtract 30/8 from 84/49
1st number: 1 35/49, 2nd number: 3 6/8
84/49 - 30/8 is -57/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
84/49 = 84 × 8/49 × 8 = 672/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
30/8 = 30 × 49/8 × 49 = 1470/392 - Subtract the two like fractions:
672/392 - 1470/392 = 672 - 1470/392 = -798/392 - After reducing the fraction, the answer is -57/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49-60/8 84/98-30/8 84/49-30/16 84/49-90/8 84/49-30/24 84/49-30/40 84/49-30/56