Answers

Subtract 30/24 from 72/70

1^st number: 1 2/70, 2^nd number: 1 6/24

72/70 - 30/24 is -31/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   72/70 = 72 × 12/70 × 12 = 864/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   30/24 = 30 × 35/24 × 35 = 1050/840
4. Subtract the two like fractions:
   864/840 - 1050/840 = 864 - 1050/840 = -186/840
5. After reducing the fraction, the answer is -31/140

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