Answers

Subtract 40/35 from 15/48

1^st number: 15/48, 2^nd number: 1 5/35

15/48 - 40/35 is -93/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 35 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   15/48 = 15 × 35/48 × 35 = 525/1680
3. Likewise, for the 2nd fraction, since 35 × 48 = 1680,
   40/35 = 40 × 48/35 × 48 = 1920/1680
4. Subtract the two like fractions:
   525/1680 - 1920/1680 = 525 - 1920/1680 = -1395/1680
5. After reducing the fraction, the answer is -93/112

MathStep (Works offline)

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

Related: ³⁰/₄₈-⁴⁰/₃₅ ¹⁵/₄₈-⁸⁰/₃₅ ¹⁵/₉₆-⁴⁰/₃₅ ¹⁵/₄₈-⁴⁰/₇₀ ⁴⁵/₄₈-⁴⁰/₃₅ ⁷⁵/₄₈-⁴⁰/₃₅

Subtract Fractions Calculator