Add 2/30 and 49/40
1st number: 2/30, 2nd number: 1 9/40
2/30 + 49/40 is 31/24.
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,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Add the two like fractions:
8/120 + 147/120 = 8 + 147/120 = 155/120 - 155/120 simplified gives 31/24
- So, 2/30 + 49/40 = 31/24
In mixed form: 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+49/40 2/30+98/40 2/60+49/40 2/30+49/80 6/30+49/40 2/90+49/40 10/30+49/40 14/30+49/40