Answers

Subtract 42/50 from 70/45

1^st number: 1 25/45, 2^nd number: 42/50

70/45 - 42/50 is 161/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 45 × 10 = 450,
   70/45 = 70 × 10/45 × 10 = 700/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   42/50 = 42 × 9/50 × 9 = 378/450
4. Subtract the two like fractions:
   700/450 - 378/450 = 700 - 378/450 = 322/450
5. After reducing the fraction, the answer is 161/225

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