Subtract 30/8 from 21/4
1st number: 5 1/4, 2nd number: 3 6/8
214 - 308 is 32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
214 = 21 × 24 × 2 = 428 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
308 = 30 × 18 × 1 = 308 - Subtract the two like fractions:
428 - 308 = 42 - 308 = 128 - After reducing the fraction, the answer is 32
- In mixed form: 112
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