Add 42/72 and 6/5
1st number: 42/72, 2nd number: 1 1/5
42/72 + 6/5 is 107/60.
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,
42/72 = 42 × 5/72 × 5 = 210/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
6/5 = 6 × 72/5 × 72 = 432/360 - Add the two like fractions:
210/360 + 432/360 = 210 + 432/360 = 642/360 - 642/360 simplified gives 107/60
- So, 42/72 + 6/5 = 107/60
In mixed form: 147/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+6/5 42/72+12/5 42/72+6/10 42/72+18/5 42/72+6/15 42/72+30/5 42/72+6/25 42/72+42/5 42/72+6/35