Answers

Subtract 1/84 from 7/90

7/90 - 1/84 is 83/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   7/90 = 7 × 14/90 × 14 = 98/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   1/84 = 1 × 15/84 × 15 = 15/1260
4. Subtract the two like fractions:
   98/1260 - 15/1260 = 98 - 15/1260 = 83/1260

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