Subtract 2/72 from 2/30
2/30 - 2/72 is 7/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
2/30 = 2 × 12/30 × 12 = 24/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Subtract the two like fractions:
24/360 - 10/360 = 24 - 10/360 = 14/360 - After reducing the fraction, the answer is 7/180
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