Answers

Subtract 42/45 from 45/35

1^st number: 1 10/35, 2^nd number: 42/45

45/35 - 42/45 is 37/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 35 × 9 = 315,
   45/35 = 45 × 9/35 × 9 = 405/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   42/45 = 42 × 7/45 × 7 = 294/315
4. Subtract the two like fractions:
   405/315 - 294/315 = 405 - 294/315 = 111/315
5. After reducing the fraction, the answer is 37/105

MathStep (Works offline)

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

Related: ⁹⁰/₃₅-⁴²/₄₅ ⁴⁵/₃₅-⁸⁴/₄₅ ⁴⁵/₇₀-⁴²/₄₅ ⁴⁵/₃₅-⁴²/₉₀

Subtract Fractions Calculator