Add 80/4 and 49/70
1st number: 20 0/4, 2nd number: 49/70
80/4 + 49/70 is 207/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
80/4 = 80 × 35/4 × 35 = 2800/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Add the two like fractions:
2800/140 + 98/140 = 2800 + 98/140 = 2898/140 - 2898/140 simplified gives 207/10
- So, 80/4 + 49/70 = 207/10
In mixed form: 207/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+98/70 80/8+49/70 80/12+49/70 80/20+49/70 80/28+49/70