Add 56/30 and 15/72
1st number: 1 26/30, 2nd number: 15/72
56/30 + 15/72 is 83/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
56/30 = 56 × 12/30 × 12 = 672/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Add the two like fractions:
672/360 + 75/360 = 672 + 75/360 = 747/360 - 747/360 simplified gives 83/40
- So, 56/30 + 15/72 = 83/40
In mixed form: 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+30/72 56/60+15/72 56/30+45/72 56/90+15/72 56/30+75/72