Add 12/14 and 98/80
1st number: 12/14, 2nd number: 1 18/80
12/14 + 98/80 is 583/280.
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,
98/80 = 98 × 7/80 × 7 = 686/560 - Add the two like fractions:
480/560 + 686/560 = 480 + 686/560 = 1166/560 - 1166/560 simplified gives 583/280
- So, 12/14 + 98/80 = 583/280
In mixed form: 223/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+98/80 12/28+98/80 36/14+98/80 12/42+98/80 60/14+98/80 12/70+98/80 84/14+98/80 12/98+98/80