Add 7/40 and 42/36
1st number: 7/40, 2nd number: 1 6/36
7/40 + 42/36 is 161/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 36 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
7/40 = 7 × 9/40 × 9 = 63/360 - Likewise, for the 2nd fraction, since 36 × 10 = 360,
42/36 = 42 × 10/36 × 10 = 420/360 - Add the two like fractions:
63/360 + 420/360 = 63 + 420/360 = 483/360 - 483/360 simplified gives 161/120
- So, 7/40 + 42/36 = 161/120
In mixed form: 141/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+42/36 7/40+84/36 7/80+42/36 7/40+42/72 21/40+42/36 35/40+42/36 49/40+42/36