Answers

Subtract 9/63 from 90/60

1^st number: 1 30/60, 2^nd number: 9/63

90/60 - 9/63 is 19/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   90/60 = 90 × 21/60 × 21 = 1890/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   9/63 = 9 × 20/63 × 20 = 180/1260
4. Subtract the two like fractions:
   1890/1260 - 180/1260 = 1890 - 180/1260 = 1710/1260
5. After reducing the fraction, the answer is 19/14
6. In mixed form: 15/14

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁹⁰/₆₀-¹⁸/₆₃ ⁹⁰/₆₀-²⁷/₆₃ ⁹⁰/₆₀-⁴⁵/₆₃

Subtract Fractions Calculator