Answers

Subtract 3/20 from 90/49

1^st number: 1 41/49, 2^nd number: 3/20

90/49 - 3/20 is 1653/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 49 × 20 = 980,
   90/49 = 90 × 20/49 × 20 = 1800/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   3/20 = 3 × 49/20 × 49 = 147/980
4. Subtract the two like fractions:
   1800/980 - 147/980 = 1800 - 147/980 = 1653/980
5. In mixed form: 1673/980

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