Subtract 30/25 from 70/72
1st number: 70/72, 2nd number: 1 5/25
70/72 - 30/25 is -41/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
70/72 = 70 × 25/72 × 25 = 1750/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
30/25 = 30 × 72/25 × 72 = 2160/1800 - Subtract the two like fractions:
1750/1800 - 2160/1800 = 1750 - 2160/1800 = -410/1800 - After reducing the fraction, the answer is -41/180
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