Add 84/14 and 7/20
1st number: 6 0/14, 2nd number: 7/20
84/14 + 7/20 is 127/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
84/14 = 84 × 10/14 × 10 = 840/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
7/20 = 7 × 7/20 × 7 = 49/140 - Add the two like fractions:
840/140 + 49/140 = 840 + 49/140 = 889/140 - 889/140 simplified gives 127/20
- So, 84/14 + 7/20 = 127/20
In mixed form: 67/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+14/20 84/28+7/20 84/14+7/40 84/14+21/20 84/42+7/20 84/14+7/60 84/14+35/20 84/70+7/20 84/14+49/20 84/98+7/20