Answers

Subtract 90/56 from 7/30

1^st number: 7/30, 2^nd number: 1 34/56

7/30 - 90/56 is -577/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   7/30 = 7 × 28/30 × 28 = 196/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   90/56 = 90 × 15/56 × 15 = 1350/840
4. Subtract the two like fractions:
   196/840 - 1350/840 = 196 - 1350/840 = -1154/840
5. After reducing the fraction, the answer is -577/420

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