Add 18/60 and 3/7
18/60 + 3/7 is 51/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
3/7 = 3 × 60/7 × 60 = 180/420 - Add the two like fractions:
126/420 + 180/420 = 126 + 180/420 = 306/420 - 306/420 simplified gives 51/70
- So, 18/60 + 3/7 = 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+3/7 18/60+6/7 18/60+3/14 54/60+3/7 18/60+9/7 18/60+3/21 90/60+3/7 18/60+15/7 18/60+3/35 18/60+21/7 18/60+3/49