Subtract 21/64 from 42/9
1st number: 4 6/9, 2nd number: 21/64
42/9 - 21/64 is 833/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 9 × 64 = 576,
42/9 = 42 × 64/9 × 64 = 2688/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
21/64 = 21 × 9/64 × 9 = 189/576 - Subtract the two like fractions:
2688/576 - 189/576 = 2688 - 189/576 = 2499/576 - After reducing the fraction, the answer is 833/192
- In mixed form: 465/192
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