Add 72/30 and 1/80
1st number: 2 12/30, 2nd number: 1/80
72/30 + 1/80 is 193/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
1/80 = 1 × 3/80 × 3 = 3/240 - Add the two like fractions:
576/240 + 3/240 = 576 + 3/240 = 579/240 - 579/240 simplified gives 193/80
- So, 72/30 + 1/80 = 193/80
In mixed form: 233/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+2/80 72/60+1/80 72/30+3/80 72/90+1/80 72/30+5/80 72/30+7/80