Answers

Subtract 30/70 from 56/72

56/72 - 30/70 is 22/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 70 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   56/72 = 56 × 35/72 × 35 = 1960/2520
3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
   30/70 = 30 × 36/70 × 36 = 1080/2520
4. Subtract the two like fractions:
   1960/2520 - 1080/2520 = 1960 - 1080/2520 = 880/2520
5. After reducing the fraction, the answer is 22/63

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