Subtract 18/30 from 54/8
1st number: 6 6/8, 2nd number: 18/30
54/8 - 18/30 is 123/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
54/8 = 54 × 15/8 × 15 = 810/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
18/30 = 18 × 4/30 × 4 = 72/120 - Subtract the two like fractions:
810/120 - 72/120 = 810 - 72/120 = 738/120 - After reducing the fraction, the answer is 123/20
- In mixed form: 63/20
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