Subtract 10/72 from 72/20
1st number: 3 12/20, 2nd number: 10/72
72/20 - 10/72 is 623/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
72/20 = 72 × 18/20 × 18 = 1296/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Subtract the two like fractions:
1296/360 - 50/360 = 1296 - 50/360 = 1246/360 - After reducing the fraction, the answer is 623/180
- In mixed form: 383/180
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