Add 1/30 and 4/40
1/30 + 4/40 is 2/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
1/30 = 1 × 4/30 × 4 = 4/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Add the two like fractions:
4/120 + 12/120 = 4 + 12/120 = 16/120 - 16/120 simplified gives 2/15
- So, 1/30 + 4/40 = 2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+4/40 1/30+8/40 1/60+4/40 1/30+4/80 3/30+4/40 1/30+12/40 1/90+4/40 5/30+4/40 1/30+20/40 7/30+4/40 1/30+28/40