Subtract 35/45 from 30/48
30/48 - 35/45 is -11/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
30/48 = 30 × 15/48 × 15 = 450/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
35/45 = 35 × 16/45 × 16 = 560/720 - Subtract the two like fractions:
450/720 - 560/720 = 450 - 560/720 = -110/720 - After reducing the fraction, the answer is -11/72
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