Subtract 70/10 from 84/45
1st number: 1 39/45, 2nd number: 7 0/10
84/45 - 70/10 is -77/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Subtract the two like fractions:
168/90 - 630/90 = 168 - 630/90 = -462/90 - After reducing the fraction, the answer is -77/15
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