Subtract 72/7 from 9/45
1st number: 9/45, 2nd number: 10 2/7
9/45 - 72/7 is -353/35.
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,
9/45 = 9 × 7/45 × 7 = 63/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
72/7 = 72 × 45/7 × 45 = 3240/315 - Subtract the two like fractions:
63/315 - 3240/315 = 63 - 3240/315 = -3177/315 - After reducing the fraction, the answer is -353/35
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