Answers

Subtract 90/70 from 50/25

1^st number: 2 0/25, 2^nd number: 1 20/70

50/25 - 90/70 is 5/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 70 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 25 × 14 = 350,
   50/25 = 50 × 14/25 × 14 = 700/350
3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
   90/70 = 90 × 5/70 × 5 = 450/350
4. Subtract the two like fractions:
   700/350 - 450/350 = 700 - 450/350 = 250/350
5. After reducing the fraction, the answer is 5/7

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