Answers

Subtract 30/72 from 49/20

1^st number: 2 9/20, 2^nd number: 30/72

49/20 - 30/72 is 61/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   49/20 = 49 × 18/20 × 18 = 882/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   30/72 = 30 × 5/72 × 5 = 150/360
4. Subtract the two like fractions:
   882/360 - 150/360 = 882 - 150/360 = 732/360
5. After reducing the fraction, the answer is 61/30
6. In mixed form: 21/30

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