Subtract 1/7 from 7/45
7/45 - 1/7 is 4/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
7/45 = 7 × 7/45 × 7 = 49/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
1/7 = 1 × 45/7 × 45 = 45/315 - Subtract the two like fractions:
49/315 - 45/315 = 49 - 45/315 = 4/315
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