Subtract 18/28 from 45/10
1st number: 4 5/10, 2nd number: 18/28
45/10 - 18/28 is 27/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
45/10 = 45 × 14/10 × 14 = 630/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Subtract the two like fractions:
630/140 - 90/140 = 630 - 90/140 = 540/140 - After reducing the fraction, the answer is 27/7
- In mixed form: 36/7
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