Add 5/30 and 4/7
5/30 + 4/7 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
4/7 = 4 × 30/7 × 30 = 120/210 - Add the two like fractions:
35/210 + 120/210 = 35 + 120/210 = 155/210 - 155/210 simplified gives 31/42
- So, 5/30 + 4/7 = 31/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+4/7 5/30+8/7 5/60+4/7 5/30+4/14 15/30+4/7 5/30+12/7 5/90+4/7 5/30+4/21 25/30+4/7 5/30+20/7 5/30+4/35 35/30+4/7 5/30+28/7 5/30+4/49