Add 12/70 and 98/20
1st number: 12/70, 2nd number: 4 18/20
12/70 + 98/20 is 71/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
12/70 = 12 × 2/70 × 2 = 24/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
98/20 = 98 × 7/20 × 7 = 686/140 - Add the two like fractions:
24/140 + 686/140 = 24 + 686/140 = 710/140 - 710/140 simplified gives 71/14
- So, 12/70 + 98/20 = 71/14
In mixed form: 51/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+98/20 12/70+98/40 36/70+98/20 12/70+98/60 60/70+98/20 84/70+98/20