Solutions by everydaycalculation.com

23 + 15 is 1315.

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

LCM of 3 and 5 is**15** - For the 1st fraction, since 3 × 5 = 15,

23 = 2 × 53 × 5 = 1015 - Likewise, for the 2nd fraction, since 5 × 3 = 15,

15 = 1 × 35 × 3 = 315 - Add the two fractions:

1015 + 315 = 10 + 315 = 1315

Related: ^{4}/_{3}+^{1}/_{5} ^{2}/_{3}+^{2}/_{5} ^{2}/_{6}+^{1}/_{5} ^{2}/_{3}+^{1}/_{10} ^{6}/_{3}+^{1}/_{5} ^{2}/_{3}+^{3}/_{5} ^{2}/_{9}+^{1}/_{5} ^{2}/_{3}+^{1}/_{15} ^{10}/_{3}+^{1}/_{5} ^{2}/_{15}+^{1}/_{5} ^{2}/_{3}+^{1}/_{25} ^{14}/_{3}+^{1}/_{5} ^{2}/_{3}+^{7}/_{5} ^{2}/_{21}+^{1}/_{5} ^{2}/_{3}+^{1}/_{35}

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