Answers

Subtract 48/45 from 21/60

1^st number: 21/60, 2^nd number: 1 3/45

21/60 - 48/45 is -43/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   21/60 = 21 × 3/60 × 3 = 63/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   48/45 = 48 × 4/45 × 4 = 192/180
4. Subtract the two like fractions:
   63/180 - 192/180 = 63 - 192/180 = -129/180
5. After reducing the fraction, the answer is -43/60

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