Subtract 45/56 from 48/30
1st number: 1 18/30, 2nd number: 45/56
48/30 - 45/56 is 223/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
48/30 = 48 × 28/30 × 28 = 1344/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Subtract the two like fractions:
1344/840 - 675/840 = 1344 - 675/840 = 669/840 - After reducing the fraction, the answer is 223/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30-45/56 48/30-90/56 48/60-45/56 48/90-45/56