Add 42/72 and 3/10
42/72 + 3/10 is 53/60.
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,
42/72 = 42 × 5/72 × 5 = 210/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
3/10 = 3 × 36/10 × 36 = 108/360 - Add the two like fractions:
210/360 + 108/360 = 210 + 108/360 = 318/360 - 318/360 simplified gives 53/60
- So, 42/72 + 3/10 = 53/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+3/10 42/72+6/10 42/72+3/20 42/72+9/10 42/72+3/30 42/72+15/10 42/72+3/50 42/72+21/10 42/72+3/70