Answers

Subtract 63/80 from 90/35

1^st number: 2 20/35, 2^nd number: 63/80

90/35 - 63/80 is 999/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   90/35 = 90 × 16/35 × 16 = 1440/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   63/80 = 63 × 7/80 × 7 = 441/560
4. Subtract the two like fractions:
   1440/560 - 441/560 = 1440 - 441/560 = 999/560
5. In mixed form: 1439/560

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