Answers

Subtract 8/10 from 7/72

7/72 - 8/10 is -253/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 10 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   7/72 = 7 × 5/72 × 5 = 35/360
3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
   8/10 = 8 × 36/10 × 36 = 288/360
4. Subtract the two like fractions:
   35/360 - 288/360 = 35 - 288/360 = -253/360

MathStep (Works offline)

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

Related: ¹⁴/₇₂-⁸/₁₀ ⁷/₇₂-¹⁶/₁₀ ⁷/₇₂-⁸/₂₀ ²¹/₇₂-⁸/₁₀ ⁷/₇₂-²⁴/₁₀ ⁷/₇₂-⁸/₃₀ ³⁵/₇₂-⁸/₁₀ ⁷/₇₂-⁴⁰/₁₀ ⁷/₇₂-⁸/₅₀ ⁴⁹/₇₂-⁸/₁₀ ⁷/₇₂-⁵⁶/₁₀ ⁷/₇₂-⁸/₇₀

Subtract Fractions Calculator