Add 3/14 and 75/80
3/14 + 75/80 is 129/112.
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,
3/14 = 3 × 40/14 × 40 = 120/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
75/80 = 75 × 7/80 × 7 = 525/560 - Add the two like fractions:
120/560 + 525/560 = 120 + 525/560 = 645/560 - 645/560 simplified gives 129/112
- So, 3/14 + 75/80 = 129/112
In mixed form: 117/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+75/80 3/28+75/80 9/14+75/80 3/42+75/80 15/14+75/80 3/70+75/80 21/14+75/80 3/98+75/80