Add 14/84 and 28/40
14/84 + 28/40 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
14/84 = 14 × 10/84 × 10 = 140/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
28/40 = 28 × 21/40 × 21 = 588/840 - Add the two like fractions:
140/840 + 588/840 = 140 + 588/840 = 728/840 - 728/840 simplified gives 13/15
- So, 14/84 + 28/40 = 13/15
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