Answers

Subtract 21/60 from 60/18

1^st number: 3 6/18, 2^nd number: 21/60

60/18 - 21/60 is 179/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   60/18 = 60 × 10/18 × 10 = 600/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   21/60 = 21 × 3/60 × 3 = 63/180
4. Subtract the two like fractions:
   600/180 - 63/180 = 600 - 63/180 = 537/180
5. After reducing the fraction, the answer is 179/60
6. In mixed form: 259/60

MathStep (Works offline)

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

Related: ⁶⁰/₁₈-⁴²/₆₀ ⁶⁰/₃₆-²¹/₆₀ ⁶⁰/₁₈-⁶³/₆₀ ⁶⁰/₅₄-²¹/₆₀ ⁶⁰/₉₀-²¹/₆₀

Subtract Fractions Calculator