Answers

Subtract 98/20 from 50/7

1^st number: 7 1/7, 2^nd number: 4 18/20

50/7 - 98/20 is 157/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 7 × 20 = 140,
   50/7 = 50 × 20/7 × 20 = 1000/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   98/20 = 98 × 7/20 × 7 = 686/140
4. Subtract the two like fractions:
   1000/140 - 686/140 = 1000 - 686/140 = 314/140
5. After reducing the fraction, the answer is 157/70
6. In mixed form: 217/70

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