Subtract 72/45 from 30/8
1st number: 3 6/8, 2nd number: 1 27/45
30/8 - 72/45 is 43/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
30/8 = 30 × 45/8 × 45 = 1350/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360 - Subtract the two like fractions:
1350/360 - 576/360 = 1350 - 576/360 = 774/360 - After reducing the fraction, the answer is 43/20
- In mixed form: 23/20
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