Add 12/14 and 45/80
12/14 + 45/80 is 159/112.
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,
45/80 = 45 × 7/80 × 7 = 315/560 - Add the two like fractions:
480/560 + 315/560 = 480 + 315/560 = 795/560 - 795/560 simplified gives 159/112
- So, 12/14 + 45/80 = 159/112
In mixed form: 147/112
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