Subtract 16/30 from 45/21
1st number: 2 3/21, 2nd number: 16/30
45/21 - 16/30 is 169/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
45/21 = 45 × 10/21 × 10 = 450/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
16/30 = 16 × 7/30 × 7 = 112/210 - Subtract the two like fractions:
450/210 - 112/210 = 450 - 112/210 = 338/210 - After reducing the fraction, the answer is 169/105
- In mixed form: 164/105
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