Add 12/14 and 42/80
12/14 + 42/80 is 387/280.
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,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
480/560 + 294/560 = 480 + 294/560 = 774/560 - 774/560 simplified gives 387/280
- So, 12/14 + 42/80 = 387/280
In mixed form: 1107/280
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