Answers

Subtract 60/48 from 20/70

1^st number: 20/70, 2^nd number: 1 12/48

20/70 - 60/48 is -27/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 48 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 70 × 24 = 1680,
   20/70 = 20 × 24/70 × 24 = 480/1680
3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
   60/48 = 60 × 35/48 × 35 = 2100/1680
4. Subtract the two like fractions:
   480/1680 - 2100/1680 = 480 - 2100/1680 = -1620/1680
5. After reducing the fraction, the answer is -27/28

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