Add 84/72 and 1/5
1st number: 1 12/72, 2nd number: 1/5
84/72 + 1/5 is 41/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
1/5 = 1 × 72/5 × 72 = 72/360 - Add the two like fractions:
420/360 + 72/360 = 420 + 72/360 = 492/360 - 492/360 simplified gives 41/30
- So, 84/72 + 1/5 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+2/5 84/72+1/10 84/72+3/5 84/72+1/15 84/72+1/25 84/72+7/5 84/72+1/35