Add 42/10 and 24/72
1st number: 4 2/10, 2nd number: 24/72
42/10 + 24/72 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
42/10 = 42 × 36/10 × 36 = 1512/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
24/72 = 24 × 5/72 × 5 = 120/360 - Add the two like fractions:
1512/360 + 120/360 = 1512 + 120/360 = 1632/360 - 1632/360 simplified gives 68/15
- So, 42/10 + 24/72 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+24/72 42/10+48/72 42/20+24/72 42/30+24/72 42/50+24/72 42/70+24/72