Add 8/30 and 7/56
8/30 + 7/56 is 47/120.
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,
8/30 = 8 × 28/30 × 28 = 224/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Add the two like fractions:
224/840 + 105/840 = 224 + 105/840 = 329/840 - 329/840 simplified gives 47/120
- So, 8/30 + 7/56 = 47/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+7/56 8/30+14/56 8/60+7/56 24/30+7/56 8/30+21/56 8/90+7/56 40/30+7/56 8/30+35/56 56/30+7/56 8/30+49/56