Answers

Subtract 48/60 from 20/70

20/70 - 48/60 is -18/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   20/70 = 20 × 6/70 × 6 = 120/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   48/60 = 48 × 7/60 × 7 = 336/420
4. Subtract the two like fractions:
   120/420 - 336/420 = 120 - 336/420 = -216/420
5. After reducing the fraction, the answer is -18/35

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