Answers

Subtract 16/45 from 21/56

21/56 - 16/45 is 7/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 45 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   21/56 = 21 × 45/56 × 45 = 945/2520
3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
   16/45 = 16 × 56/45 × 56 = 896/2520
4. Subtract the two like fractions:
   945/2520 - 896/2520 = 945 - 896/2520 = 49/2520
5. After reducing the fraction, the answer is 7/360

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