Subtract 63/72 from 84/30
1st number: 2 24/30, 2nd number: 63/72
84/30 - 63/72 is 77/40.
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,
84/30 = 84 × 12/30 × 12 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Subtract the two like fractions:
1008/360 - 315/360 = 1008 - 315/360 = 693/360 - After reducing the fraction, the answer is 77/40
- In mixed form: 137/40
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