Answers

Subtract 2/80 from 50/42

1^st number: 1 8/42, 2^nd number: 2/80

50/42 - 2/80 is 979/840.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 42 × 40 = 1680,
   50/42 = 50 × 40/42 × 40 = 2000/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   2/80 = 2 × 21/80 × 21 = 42/1680
4. Subtract the two like fractions:
   2000/1680 - 42/1680 = 2000 - 42/1680 = 1958/1680
5. After reducing the fraction, the answer is 979/840
6. In mixed form: 1139/840

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