Solutions by everydaycalculation.com

112 - 39 is -14.

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

LCM of 12 and 9 is**36** - For the 1st fraction, since 12 × 3 = 36,

112 = 1 × 312 × 3 = 336 - Likewise, for the 2nd fraction, since 9 × 4 = 36,

39 = 3 × 49 × 4 = 1236 - Subtract the two fractions:

336 - 1236 = 3 - 1236 = -936 - After reducing the fraction, the answer is -14

Related: ^{2}/_{12}-^{3}/_{9} ^{1}/_{12}-^{6}/_{9} ^{1}/_{24}-^{3}/_{9} ^{1}/_{12}-^{3}/_{18} ^{3}/_{12}-^{3}/_{9} ^{1}/_{36}-^{3}/_{9} ^{1}/_{12}-^{3}/_{27} ^{5}/_{12}-^{3}/_{9} ^{1}/_{12}-^{15}/_{9} ^{1}/_{60}-^{3}/_{9} ^{1}/_{12}-^{3}/_{45} ^{7}/_{12}-^{3}/_{9} ^{1}/_{12}-^{21}/_{9} ^{1}/_{84}-^{3}/_{9} ^{1}/_{12}-^{3}/_{63}

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