Answers

Subtract 4/10 from 9/7

1^st number: 1 2/7, 2^nd number: 4/10

9/7 - 4/10 is 31/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 10 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   9/7 = 9 × 10/7 × 10 = 90/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   4/10 = 4 × 7/10 × 7 = 28/70
4. Subtract the two like fractions:
   90/70 - 28/70 = 90 - 28/70 = 62/70
5. After reducing the fraction, the answer is 31/35

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