Answers

Subtract 56/45 from 28/40

1^st number: 28/40, 2^nd number: 1 11/45

28/40 - 56/45 is -49/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   28/40 = 28 × 9/40 × 9 = 252/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   56/45 = 56 × 8/45 × 8 = 448/360
4. Subtract the two like fractions:
   252/360 - 448/360 = 252 - 448/360 = -196/360
5. After reducing the fraction, the answer is -49/90

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