Add 15/56 and 75/10
1st number: 15/56, 2nd number: 7 5/10
15/56 + 75/10 is 435/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
75/10 = 75 × 28/10 × 28 = 2100/280 - Add the two like fractions:
75/280 + 2100/280 = 75 + 2100/280 = 2175/280 - 2175/280 simplified gives 435/56
- So, 15/56 + 75/10 = 435/56
In mixed form: 743/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+75/10 15/56+75/20 45/56+75/10 15/56+75/30 75/56+75/10 15/56+75/50 15/56+75/70