Answers

Subtract 3/90 from 75/50

1^st number: 1 25/50, 2^nd number: 3/90

75/50 - 3/90 is 22/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   75/50 = 75 × 9/50 × 9 = 675/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   3/90 = 3 × 5/90 × 5 = 15/450
4. Subtract the two like fractions:
   675/450 - 15/450 = 675 - 15/450 = 660/450
5. After reducing the fraction, the answer is 22/15
6. In mixed form: 17/15

MathStep (Works offline)

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

Related: ⁷⁵/₅₀-⁶/₉₀ ⁷⁵/₅₀-⁹/₉₀ ⁷⁵/₅₀-¹⁵/₉₀ ⁷⁵/₅₀-²¹/₉₀

Subtract Fractions Calculator