Subtract 49/45 from 30/60
1st number: 30/60, 2nd number: 1 4/45
30/60 - 49/45 is -53/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
30/60 = 30 × 3/60 × 3 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
49/45 = 49 × 4/45 × 4 = 196/180 - Subtract the two like fractions:
90/180 - 196/180 = 90 - 196/180 = -106/180 - After reducing the fraction, the answer is -53/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-98/45 30/60-49/90 90/60-49/45