Add 18/20 and 25/70
18/20 + 25/70 is 44/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
18/20 = 18 × 7/20 × 7 = 126/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
25/70 = 25 × 2/70 × 2 = 50/140 - Add the two like fractions:
126/140 + 50/140 = 126 + 50/140 = 176/140 - 176/140 simplified gives 44/35
- So, 18/20 + 25/70 = 44/35
In mixed form: 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+25/70 18/20+50/70 18/40+25/70 54/20+25/70 18/20+75/70 18/60+25/70 90/20+25/70