Answers

Subtract 30/72 from 72/50

1^st number: 1 22/50, 2^nd number: 30/72

72/50 - 30/72 is 307/300.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 50 × 36 = 1800,
   72/50 = 72 × 36/50 × 36 = 2592/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   30/72 = 30 × 25/72 × 25 = 750/1800
4. Subtract the two like fractions:
   2592/1800 - 750/1800 = 2592 - 750/1800 = 1842/1800
5. After reducing the fraction, the answer is 307/300
6. In mixed form: 17/300

MathStep (Works offline)

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

Related: ⁷²/₅₀-⁶⁰/₇₂ ⁷²/₅₀-⁹⁰/₇₂

Subtract Fractions Calculator