Add 20/72 and 1/10
20/72 + 1/10 is 17/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
1/10 = 1 × 36/10 × 36 = 36/360 - Add the two like fractions:
100/360 + 36/360 = 100 + 36/360 = 136/360 - 136/360 simplified gives 17/45
- So, 20/72 + 1/10 = 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/72+1/10 20/72+2/10 20/72+1/20 60/72+1/10 20/72+3/10 20/72+1/30 20/72+5/10 20/72+1/50 20/72+7/10 20/72+1/70