Subtract 49/16 from 84/30
1st number: 2 24/30, 2nd number: 3 1/16
84/30 - 49/16 is -21/80.
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,
84/30 = 84 × 8/30 × 8 = 672/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
49/16 = 49 × 15/16 × 15 = 735/240 - Subtract the two like fractions:
672/240 - 735/240 = 672 - 735/240 = -63/240 - After reducing the fraction, the answer is -21/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-98/16 84/60-49/16 84/30-49/32 84/90-49/16 84/30-49/48 84/30-49/80