Subtract 4/90 from 45/28
1st number: 1 17/28, 2nd number: 4/90
45/28 - 4/90 is 1969/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
45/28 = 45 × 45/28 × 45 = 2025/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
4/90 = 4 × 14/90 × 14 = 56/1260 - Subtract the two like fractions:
2025/1260 - 56/1260 = 2025 - 56/1260 = 1969/1260 - In mixed form: 1709/1260
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