Answers

Subtract 25/70 from 42/24

1^st number: 1 18/24, 2^nd number: 25/70

42/24 - 25/70 is 39/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   42/24 = 42 × 35/24 × 35 = 1470/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   25/70 = 25 × 12/70 × 12 = 300/840
4. Subtract the two like fractions:
   1470/840 - 300/840 = 1470 - 300/840 = 1170/840
5. After reducing the fraction, the answer is 39/28
6. In mixed form: 111/28

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