Answers

Subtract 21/16 from 16/70

1^st number: 16/70, 2^nd number: 1 5/16

16/70 - 21/16 is -607/560.

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,
   16/70 = 16 × 8/70 × 8 = 128/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   21/16 = 21 × 35/16 × 35 = 735/560
4. Subtract the two like fractions:
   128/560 - 735/560 = 128 - 735/560 = -607/560

MathStep (Works offline)

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

Related: ³²/₇₀-²¹/₁₆ ¹⁶/₇₀-⁴²/₁₆ ¹⁶/₇₀-²¹/₃₂ ⁴⁸/₇₀-²¹/₁₆ ¹⁶/₇₀-⁶³/₁₆ ¹⁶/₇₀-²¹/₄₈ ⁸⁰/₇₀-²¹/₁₆ ¹⁶/₇₀-²¹/₈₀

Subtract Fractions Calculator