Add 15/10 and 18/56
1st number: 1 5/10, 2nd number: 18/56
15/10 + 18/56 is 51/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
15/10 = 15 × 28/10 × 28 = 420/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
420/280 + 90/280 = 420 + 90/280 = 510/280 - 510/280 simplified gives 51/28
- So, 15/10 + 18/56 = 51/28
In mixed form: 123/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+18/56 15/10+36/56 15/20+18/56 45/10+18/56 15/10+54/56 15/30+18/56 75/10+18/56 15/10+90/56 15/50+18/56 15/70+18/56