Add 4/30 and 5/7
4/30 + 5/7 is 89/105.
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,
4/30 = 4 × 7/30 × 7 = 28/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
5/7 = 5 × 30/7 × 30 = 150/210 - Add the two like fractions:
28/210 + 150/210 = 28 + 150/210 = 178/210 - 178/210 simplified gives 89/105
- So, 4/30 + 5/7 = 89/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+5/7 4/30+10/7 4/60+5/7 4/30+5/14 12/30+5/7 4/30+15/7 4/90+5/7 4/30+5/21 20/30+5/7 4/30+25/7 4/30+5/35 28/30+5/7 4/30+35/7 4/30+5/49