Answers

Subtract 20/90 from 84/49

1^st number: 1 35/49, 2^nd number: 20/90

84/49 - 20/90 is 94/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 90 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 49 × 90 = 4410,
   84/49 = 84 × 90/49 × 90 = 7560/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   20/90 = 20 × 49/90 × 49 = 980/4410
4. Subtract the two like fractions:
   7560/4410 - 980/4410 = 7560 - 980/4410 = 6580/4410
5. After reducing the fraction, the answer is 94/63
6. In mixed form: 131/63

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