Add 14/60 and 9/21, Solve 14/60 + 9/21 as a fraction

Add 14/60 and 9/21

14/60 + 9/21 is 139/210.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
14/60 = 14 × 7/60 × 7 = 98/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
9/21 = 9 × 20/21 × 20 = 180/420
Add the two like fractions:
98/420 + 180/420 = 98 + 180/420 = 278/420
278/420 simplified gives 139/210
So, 14/60 + 9/21 = 139/210

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