Answers

Subtract 49/40 from 60/70

1^st number: 60/70, 2^nd number: 1 9/40

60/70 - 49/40 is -103/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   60/70 = 60 × 4/70 × 4 = 240/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   49/40 = 49 × 7/40 × 7 = 343/280
4. Subtract the two like fractions:
   240/280 - 343/280 = 240 - 343/280 = -103/280

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