Subtract 21/49 from 45/3
1st number: 15 0/3, 2nd number: 21/49
45/3 - 21/49 is 102/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 3 × 49 = 147,
45/3 = 45 × 49/3 × 49 = 2205/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
21/49 = 21 × 3/49 × 3 = 63/147 - Subtract the two like fractions:
2205/147 - 63/147 = 2205 - 63/147 = 2142/147 - After reducing the fraction, the answer is 102/7
- In mixed form: 144/7
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