Solutions by everydaycalculation.com

318 - 49 is -518.

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

LCM of 18 and 9 is**18** - For the 1st fraction, since 18 × 1 = 18,

318 = 3 × 118 × 1 = 318 - Likewise, for the 2nd fraction, since 9 × 2 = 18,

49 = 4 × 29 × 2 = 818 - Subtract the two fractions:

318 - 818 = 3 - 818 = -518

Related: ^{6}/_{18}-^{4}/_{9} ^{3}/_{18}-^{8}/_{9} ^{3}/_{36}-^{4}/_{9} ^{3}/_{18}-^{4}/_{18} ^{9}/_{18}-^{4}/_{9} ^{3}/_{18}-^{12}/_{9} ^{3}/_{54}-^{4}/_{9} ^{3}/_{18}-^{4}/_{27} ^{15}/_{18}-^{4}/_{9} ^{3}/_{18}-^{20}/_{9} ^{3}/_{90}-^{4}/_{9} ^{3}/_{18}-^{4}/_{45} ^{21}/_{18}-^{4}/_{9} ^{3}/_{18}-^{28}/_{9} ^{3}/_{18}-^{4}/_{63}

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