Subtract 4/45 from 4/70
4/70 - 4/45 is -2/63.
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,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
4/45 = 4 × 14/45 × 14 = 56/630 - Subtract the two like fractions:
36/630 - 56/630 = 36 - 56/630 = -20/630 - After reducing the fraction, the answer is -2/63
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