Add 12/14 and 28/80
12/14 + 28/80 is 169/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
12/14 = 12 × 40/14 × 40 = 480/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560 - Add the two like fractions:
480/560 + 196/560 = 480 + 196/560 = 676/560 - 676/560 simplified gives 169/140
- So, 12/14 + 28/80 = 169/140
In mixed form: 129/140
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