Add 35/45 and 8/80
35/45 + 8/80 is 79/90.
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,
35/45 = 35 × 16/45 × 16 = 560/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
8/80 = 8 × 9/80 × 9 = 72/720 - Add the two like fractions:
560/720 + 72/720 = 560 + 72/720 = 632/720 - 632/720 simplified gives 79/90
- So, 35/45 + 8/80 = 79/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45+8/80 35/45+16/80 35/90+8/80 35/45+24/80 35/45+40/80 35/45+56/80