Answers

Subtract 12/70 from 49/72

49/72 - 12/70 is 1283/2520.

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,
   49/72 = 49 × 35/72 × 35 = 1715/2520
3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
   12/70 = 12 × 36/70 × 36 = 432/2520
4. Subtract the two like fractions:
   1715/2520 - 432/2520 = 1715 - 432/2520 = 1283/2520

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