Answers

Subtract 2/45 from 1/63

1/63 - 2/45 is -1/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   1/63 = 1 × 5/63 × 5 = 5/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   2/45 = 2 × 7/45 × 7 = 14/315
4. Subtract the two like fractions:
   5/315 - 14/315 = 5 - 14/315 = -9/315
5. After reducing the fraction, the answer is -1/35

MathStep (Works offline)

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

Related: ²/₆₃-²/₄₅ ¹/₆₃-⁴/₄₅ ¹/₆₃-²/₉₀ ³/₆₃-²/₄₅ ¹/₆₃-⁶/₄₅ ⁵/₆₃-²/₄₅ ¹/₆₃-¹⁰/₄₅ ⁷/₆₃-²/₄₅ ¹/₆₃-¹⁴/₄₅

Subtract Fractions Calculator