Solutions by everydaycalculation.com

418 - 28 is -136.

- Find the least common denominator or LCM of the two denominators:

LCM of 18 and 8 is**72** - For the 1st fraction, since 18 × 4 = 72,

418 = 4 × 418 × 4 = 1672 - Likewise, for the 2nd fraction, since 8 × 9 = 72,

28 = 2 × 98 × 9 = 1872 - Subtract the two fractions:

1672 - 1872 = 16 - 1872 = -272 - After reducing the fraction, the answer is -136

Related: ^{8}/_{18}-^{2}/_{8} ^{4}/_{18}-^{4}/_{8} ^{4}/_{36}-^{2}/_{8} ^{4}/_{18}-^{2}/_{16} ^{12}/_{18}-^{2}/_{8} ^{4}/_{18}-^{6}/_{8} ^{4}/_{54}-^{2}/_{8} ^{4}/_{18}-^{2}/_{24} ^{20}/_{18}-^{2}/_{8} ^{4}/_{18}-^{10}/_{8} ^{4}/_{90}-^{2}/_{8} ^{4}/_{18}-^{2}/_{40} ^{28}/_{18}-^{2}/_{8} ^{4}/_{18}-^{14}/_{8} ^{4}/_{18}-^{2}/_{56}

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