Subtract 84/45 from 1/28
1st number: 1/28, 2nd number: 1 39/45
1/28 - 84/45 is -769/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
1/28 = 1 × 45/28 × 45 = 45/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
84/45 = 84 × 28/45 × 28 = 2352/1260 - Subtract the two like fractions:
45/1260 - 2352/1260 = 45 - 2352/1260 = -2307/1260 - After reducing the fraction, the answer is -769/420
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