Subtract 84/70 from 48/90
1st number: 48/90, 2nd number: 1 14/70
48/90 - 84/70 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
48/90 = 48 × 7/90 × 7 = 336/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630 - Subtract the two like fractions:
336/630 - 756/630 = 336 - 756/630 = -420/630 - After reducing the fraction, the answer is -2/3
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Related: 96/90-84/70