Add 36/20 and 18/7
1st number: 1 16/20, 2nd number: 2 4/7
36/20 + 18/7 is 153/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
36/20 = 36 × 7/20 × 7 = 252/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
18/7 = 18 × 20/7 × 20 = 360/140 - Add the two like fractions:
252/140 + 360/140 = 252 + 360/140 = 612/140 - 612/140 simplified gives 153/35
- So, 36/20 + 18/7 = 153/35
In mixed form: 413/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+18/7 36/20+36/7 36/40+18/7 36/20+18/14 36/20+54/7 36/60+18/7 36/20+18/21 36/20+90/7 36/20+18/35 36/20+18/49