Subtract 63/90 from 50/28
1st number: 1 22/28, 2nd number: 63/90
50/28 - 63/90 is 38/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
50/28 = 50 × 45/28 × 45 = 2250/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
63/90 = 63 × 14/90 × 14 = 882/1260 - Subtract the two like fractions:
2250/1260 - 882/1260 = 2250 - 882/1260 = 1368/1260 - After reducing the fraction, the answer is 38/35
- In mixed form: 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56-63/90 50/84-63/90