Answers

Subtract 63/70 from 9/16

9/16 - 63/70 is -27/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 16 × 35 = 560,
   9/16 = 9 × 35/16 × 35 = 315/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   63/70 = 63 × 8/70 × 8 = 504/560
4. Subtract the two like fractions:
   315/560 - 504/560 = 315 - 504/560 = -189/560
5. After reducing the fraction, the answer is -27/80

MathStep (Works offline)

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

Related: ¹⁸/₁₆-⁶³/₇₀ ⁹/₃₂-⁶³/₇₀ ²⁷/₁₆-⁶³/₇₀ ⁹/₄₈-⁶³/₇₀ ⁴⁵/₁₆-⁶³/₇₀ ⁹/₈₀-⁶³/₇₀ ⁶³/₁₆-⁶³/₇₀

Subtract Fractions Calculator