Answers

Subtract 70/90 from 7/10

7/10 - 70/90 is -7/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   7/10 = 7 × 9/10 × 9 = 63/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   70/90 = 70 × 1/90 × 1 = 70/90
4. Subtract the two like fractions:
   63/90 - 70/90 = 63 - 70/90 = -7/90

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