Answers

Subtract 7/70 from 42/27

1^st number: 1 15/27, 2^nd number: 7/70

42/27 - 7/70 is 131/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 27 × 70 = 1890,
   42/27 = 42 × 70/27 × 70 = 2940/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   7/70 = 7 × 27/70 × 27 = 189/1890
4. Subtract the two like fractions:
   2940/1890 - 189/1890 = 2940 - 189/1890 = 2751/1890
5. After reducing the fraction, the answer is 131/90
6. In mixed form: 141/90

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