Add 12/42 and 14/80
12/42 + 14/80 is 129/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
12/42 = 12 × 40/42 × 40 = 480/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
14/80 = 14 × 21/80 × 21 = 294/1680 - Add the two like fractions:
480/1680 + 294/1680 = 480 + 294/1680 = 774/1680 - 774/1680 simplified gives 129/280
- So, 12/42 + 14/80 = 129/280
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