Add 50/30 and 7/40
1st number: 1 20/30, 2nd number: 7/40
50/30 + 7/40 is 221/120.
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,
50/30 = 50 × 4/30 × 4 = 200/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Add the two like fractions:
200/120 + 21/120 = 200 + 21/120 = 221/120 - So, 50/30 + 7/40 = 221/120
In mixed form: 1101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+14/40 50/60+7/40 50/30+7/80 50/30+21/40 50/90+7/40 50/30+35/40 50/30+49/40