Add 30/4 and 40/35
1st number: 7 2/4, 2nd number: 1 5/35
30/4 + 40/35 is 121/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
30/4 = 30 × 35/4 × 35 = 1050/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
40/35 = 40 × 4/35 × 4 = 160/140 - Add the two like fractions:
1050/140 + 160/140 = 1050 + 160/140 = 1210/140 - 1210/140 simplified gives 121/14
- So, 30/4 + 40/35 = 121/14
In mixed form: 89/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+40/35 30/4+80/35 30/8+40/35 30/4+40/70 90/4+40/35 30/12+40/35 30/20+40/35 30/28+40/35