Add 30/80 and 10/7
1st number: 30/80, 2nd number: 1 3/7
30/80 + 10/7 is 101/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
10/7 = 10 × 80/7 × 80 = 800/560 - Add the two like fractions:
210/560 + 800/560 = 210 + 800/560 = 1010/560 - 1010/560 simplified gives 101/56
- So, 30/80 + 10/7 = 101/56
In mixed form: 145/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+10/7 30/80+20/7 30/80+10/14 90/80+10/7 30/80+30/7 30/80+10/21 30/80+50/7 30/80+10/35 30/80+70/7 30/80+10/49