Subtract 7/9 from 1/2
12 - 79 is -518.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
12 = 1 × 92 × 9 = 918 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
79 = 7 × 29 × 2 = 1418 - Subtract the two like fractions:
918 - 1418 = 9 - 1418 = -518
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