Add 1/30 and 28/56
1/30 + 28/56 is 8/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
1/30 = 1 × 28/30 × 28 = 28/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Add the two like fractions:
28/840 + 420/840 = 28 + 420/840 = 448/840 - 448/840 simplified gives 8/15
- So, 1/30 + 28/56 = 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+28/56 1/60+28/56 3/30+28/56 1/30+84/56 1/90+28/56 5/30+28/56 7/30+28/56