Answers

Subtract 40/35 from 1/45

1^st number: 1/45, 2^nd number: 1 5/35

1/45 - 40/35 is -353/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   1/45 = 1 × 7/45 × 7 = 7/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   40/35 = 40 × 9/35 × 9 = 360/315
4. Subtract the two like fractions:
   7/315 - 360/315 = 7 - 360/315 = -353/315

MathStep (Works offline)

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

Related: ²/₄₅-⁴⁰/₃₅ ¹/₄₅-⁸⁰/₃₅ ¹/₉₀-⁴⁰/₃₅ ¹/₄₅-⁴⁰/₇₀ ³/₄₅-⁴⁰/₃₅ ⁵/₄₅-⁴⁰/₃₅ ⁷/₄₅-⁴⁰/₃₅

Subtract Fractions Calculator