Subtract 15/35 from 21/3
1st number: 7 0/3, 2nd number: 15/35
21/3 - 15/35 is 46/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 3 × 35 = 105,
21/3 = 21 × 35/3 × 35 = 735/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
15/35 = 15 × 3/35 × 3 = 45/105 - Subtract the two like fractions:
735/105 - 45/105 = 735 - 45/105 = 690/105 - After reducing the fraction, the answer is 46/7
- In mixed form: 64/7
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