Answers

Subtract 70/45 from 30/49

1^st number: 30/49, 2^nd number: 1 25/45

30/49 - 70/45 is -416/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 45 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 49 × 45 = 2205,
   30/49 = 30 × 45/49 × 45 = 1350/2205
3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
   70/45 = 70 × 49/45 × 49 = 3430/2205
4. Subtract the two like fractions:
   1350/2205 - 3430/2205 = 1350 - 3430/2205 = -2080/2205
5. After reducing the fraction, the answer is -416/441

MathStep (Works offline)

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

Related: ⁶⁰/₄₉-⁷⁰/₄₅ ³⁰/₉₈-⁷⁰/₄₅ ³⁰/₄₉-⁷⁰/₉₀ ⁹⁰/₄₉-⁷⁰/₄₅

Subtract Fractions Calculator