Add 80/30 and 16/45
1st number: 2 20/30, 2nd number: 16/45
80/30 + 16/45 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Add the two like fractions:
240/90 + 32/90 = 240 + 32/90 = 272/90 - 272/90 simplified gives 136/45
- So, 80/30 + 16/45 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+32/45 80/60+16/45 80/30+16/90 80/30+48/45 80/90+16/45 80/30+80/45