Subtract 3/30 from 70/72
70/72 - 3/30 is 157/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
3/30 = 3 × 12/30 × 12 = 36/360 - Subtract the two like fractions:
350/360 - 36/360 = 350 - 36/360 = 314/360 - After reducing the fraction, the answer is 157/180
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