Subtract 54/70 from 50/72
50/72 - 54/70 is -97/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
50/72 = 50 × 35/72 × 35 = 1750/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
54/70 = 54 × 36/70 × 36 = 1944/2520 - Subtract the two like fractions:
1750/2520 - 1944/2520 = 1750 - 1944/2520 = -194/2520 - After reducing the fraction, the answer is -97/1260
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