Answers

Subtract 70/16 from 30/70

1^st number: 30/70, 2^nd number: 4 6/16

30/70 - 70/16 is -221/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   30/70 = 30 × 8/70 × 8 = 240/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   70/16 = 70 × 35/16 × 35 = 2450/560
4. Subtract the two like fractions:
   240/560 - 2450/560 = 240 - 2450/560 = -2210/560
5. After reducing the fraction, the answer is -221/56

MathStep (Works offline)

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

Related: ⁶⁰/₇₀-⁷⁰/₁₆ ³⁰/₇₀-⁷⁰/₃₂ ⁹⁰/₇₀-⁷⁰/₁₆ ³⁰/₇₀-⁷⁰/₄₈ ³⁰/₇₀-⁷⁰/₈₀

Subtract Fractions Calculator