Answers

Subtract 7/90 from 9/8

1^st number: 1 1/8, 2^nd number: 7/90

9/8 - 7/90 is 377/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   9/8 = 9 × 45/8 × 45 = 405/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   7/90 = 7 × 4/90 × 4 = 28/360
4. Subtract the two like fractions:
   405/360 - 28/360 = 405 - 28/360 = 377/360
5. In mixed form: 117/360

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