Answers

Subtract 21/80 from 98/60

1^st number: 1 38/60, 2^nd number: 21/80

98/60 - 21/80 is 329/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   98/60 = 98 × 4/60 × 4 = 392/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   21/80 = 21 × 3/80 × 3 = 63/240
4. Subtract the two like fractions:
   392/240 - 63/240 = 392 - 63/240 = 329/240
5. In mixed form: 189/240

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