Answers

Subtract 49/90 from 42/60

42/60 - 49/90 is 7/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   42/60 = 42 × 3/60 × 3 = 126/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   49/90 = 49 × 2/90 × 2 = 98/180
4. Subtract the two like fractions:
   126/180 - 98/180 = 126 - 98/180 = 28/180
5. After reducing the fraction, the answer is 7/45

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