Add 20/80 and 16/35
20/80 + 16/35 is 99/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
16/35 = 16 × 16/35 × 16 = 256/560 - Add the two like fractions:
140/560 + 256/560 = 140 + 256/560 = 396/560 - 396/560 simplified gives 99/140
- So, 20/80 + 16/35 = 99/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+16/35 20/80+32/35 20/80+16/70 60/80+16/35 20/80+48/35 20/80+80/35