Add 7/45 and 10/80
7/45 + 10/80 is 101/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
7/45 = 7 × 16/45 × 16 = 112/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720 - Add the two like fractions:
112/720 + 90/720 = 112 + 90/720 = 202/720 - 202/720 simplified gives 101/360
- So, 7/45 + 10/80 = 101/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+10/80 7/45+20/80 7/90+10/80 21/45+10/80 7/45+30/80 35/45+10/80 7/45+50/80 49/45+10/80 7/45+70/80