Answers

Subtract 1/80 from 60/30

1^st number: 2 0/30, 2^nd number: 1/80

60/30 - 1/80 is 159/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   60/30 = 60 × 8/30 × 8 = 480/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   1/80 = 1 × 3/80 × 3 = 3/240
4. Subtract the two like fractions:
   480/240 - 3/240 = 480 - 3/240 = 477/240
5. After reducing the fraction, the answer is 159/80
6. In mixed form: 179/80

MathStep (Works offline)

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

Related: ⁶⁰/₃₀-²/₈₀ ⁶⁰/₃₀-³/₈₀ ⁶⁰/₉₀-¹/₈₀ ⁶⁰/₃₀-⁵/₈₀ ⁶⁰/₃₀-⁷/₈₀

Subtract Fractions Calculator