Subtract 14/45 from 30/4
1st number: 7 2/4, 2nd number: 14/45
30/4 - 14/45 is 647/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
30/4 = 30 × 45/4 × 45 = 1350/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
14/45 = 14 × 4/45 × 4 = 56/180 - Subtract the two like fractions:
1350/180 - 56/180 = 1350 - 56/180 = 1294/180 - After reducing the fraction, the answer is 647/90
- In mixed form: 717/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-14/45 30/4-28/45 30/8-14/45 30/4-14/90 90/4-14/45 30/4-42/45 30/12-14/45 30/4-70/45 30/20-14/45 30/4-98/45 30/28-14/45