Answers

Subtract 80/49 from 60/90

1^st number: 60/90, 2^nd number: 1 31/49

60/90 - 80/49 is -142/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 49 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   60/90 = 60 × 49/90 × 49 = 2940/4410
3. Likewise, for the 2nd fraction, since 49 × 90 = 4410,
   80/49 = 80 × 90/49 × 90 = 7200/4410
4. Subtract the two like fractions:
   2940/4410 - 7200/4410 = 2940 - 7200/4410 = -4260/4410
5. After reducing the fraction, the answer is -142/147

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