Subtract 48/60 from 28/70
28/70 - 48/60 is -2/5.
Steps for subtracting fractions
- 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 - For the 1st fraction, since 70 × 6 = 420,
28/70 = 28 × 6/70 × 6 = 168/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
48/60 = 48 × 7/60 × 7 = 336/420 - Subtract the two like fractions:
168/420 - 336/420 = 168 - 336/420 = -168/420 - After reducing the fraction, the answer is -2/5
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