Answers

Subtract 70/90 from 42/35

1^st number: 1 7/35, 2^nd number: 70/90

42/35 - 70/90 is 19/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   42/35 = 42 × 18/35 × 18 = 756/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   70/90 = 70 × 7/90 × 7 = 490/630
4. Subtract the two like fractions:
   756/630 - 490/630 = 756 - 490/630 = 266/630
5. After reducing the fraction, the answer is 19/45

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