Subtract 40/70 from 60/18
1st number: 3 6/18, 2nd number: 40/70
60/18 - 40/70 is 58/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
60/18 = 60 × 35/18 × 35 = 2100/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
40/70 = 40 × 9/70 × 9 = 360/630 - Subtract the two like fractions:
2100/630 - 360/630 = 2100 - 360/630 = 1740/630 - After reducing the fraction, the answer is 58/21
- In mixed form: 216/21
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