Add 2/70 and 80/45
1st number: 2/70, 2nd number: 1 35/45
2/70 + 80/45 is 569/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
80/45 = 80 × 14/45 × 14 = 1120/630 - Add the two like fractions:
18/630 + 1120/630 = 18 + 1120/630 = 1138/630 - 1138/630 simplified gives 569/315
- So, 2/70 + 80/45 = 569/315
In mixed form: 1254/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+80/45 2/70+80/90 6/70+80/45 10/70+80/45 14/70+80/45