Subtract 84/45 from 60/70
1st number: 60/70, 2nd number: 1 39/45
60/70 - 84/45 is -106/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630 - Subtract the two like fractions:
540/630 - 1176/630 = 540 - 1176/630 = -636/630 - After reducing the fraction, the answer is -106/105
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