Answers

Subtract 9/40 from 70/30

1^st number: 2 10/30, 2^nd number: 9/40

70/30 - 9/40 is 253/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   70/30 = 70 × 4/30 × 4 = 280/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   9/40 = 9 × 3/40 × 3 = 27/120
4. Subtract the two like fractions:
   280/120 - 27/120 = 280 - 27/120 = 253/120
5. In mixed form: 213/120

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