Subtract 3/35 from 81/18
1st number: 4 9/18, 2nd number: 3/35
81/18 - 3/35 is 309/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
81/18 = 81 × 35/18 × 35 = 2835/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
3/35 = 3 × 18/35 × 18 = 54/630 - Subtract the two like fractions:
2835/630 - 54/630 = 2835 - 54/630 = 2781/630 - After reducing the fraction, the answer is 309/70
- In mixed form: 429/70
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