Subtract 90/56 from 3/45
1st number: 3/45, 2nd number: 1 34/56
3/45 - 90/56 is -647/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
3/45 = 3 × 56/45 × 56 = 168/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Subtract the two like fractions:
168/2520 - 4050/2520 = 168 - 4050/2520 = -3882/2520 - After reducing the fraction, the answer is -647/420
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