Add 30/10 and 70/56
1st number: 3 0/10, 2nd number: 1 14/56
30/10 + 70/56 is 17/4.
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,
30/10 = 30 × 28/10 × 28 = 840/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Add the two like fractions:
840/280 + 350/280 = 840 + 350/280 = 1190/280 - 1190/280 simplified gives 17/4
- So, 30/10 + 70/56 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+70/56 30/20+70/56 90/10+70/56 30/50+70/56 30/70+70/56