Answers

Subtract 15/30 from 75/56

1^st number: 1 19/56, 2^nd number: 15/30

75/56 - 15/30 is 47/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   75/56 = 75 × 15/56 × 15 = 1125/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   15/30 = 15 × 28/30 × 28 = 420/840
4. Subtract the two like fractions:
   1125/840 - 420/840 = 1125 - 420/840 = 705/840
5. After reducing the fraction, the answer is 47/56

MathStep (Works offline)

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

Related: ⁷⁵/₅₆-¹⁵/₆₀ ⁷⁵/₅₆-⁴⁵/₃₀ ⁷⁵/₅₆-¹⁵/₉₀ ⁷⁵/₅₆-⁷⁵/₃₀

Subtract Fractions Calculator