Answers

Subtract 36/96 from 21/70

21/70 - 36/96 is -3/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 96 is 3360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3360
2. For the 1st fraction, since 70 × 48 = 3360,
   21/70 = 21 × 48/70 × 48 = 1008/3360
3. Likewise, for the 2nd fraction, since 96 × 35 = 3360,
   36/96 = 36 × 35/96 × 35 = 1260/3360
4. Subtract the two like fractions:
   1008/3360 - 1260/3360 = 1008 - 1260/3360 = -252/3360
5. After reducing the fraction, the answer is -3/40

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