Subtract 3/72 from 54/70
54/70 - 3/72 is 613/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
54/70 = 54 × 36/70 × 36 = 1944/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
3/72 = 3 × 35/72 × 35 = 105/2520 - Subtract the two like fractions:
1944/2520 - 105/2520 = 1944 - 105/2520 = 1839/2520 - After reducing the fraction, the answer is 613/840
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