Subtract 21/45 from 70/16
1st number: 4 6/16, 2nd number: 21/45
70/16 - 21/45 is 469/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
21/45 = 21 × 16/45 × 16 = 336/720 - Subtract the two like fractions:
3150/720 - 336/720 = 3150 - 336/720 = 2814/720 - After reducing the fraction, the answer is 469/120
- In mixed form: 3109/120
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