Add 30/7 and 18/60
1st number: 4 2/7, 2nd number: 18/60
30/7 + 18/60 is 321/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
30/7 = 30 × 60/7 × 60 = 1800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Add the two like fractions:
1800/420 + 126/420 = 1800 + 126/420 = 1926/420 - 1926/420 simplified gives 321/70
- So, 30/7 + 18/60 = 321/70
In mixed form: 441/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+18/60 30/7+36/60 30/14+18/60 90/7+18/60 30/7+54/60 30/21+18/60 30/7+90/60 30/35+18/60 30/49+18/60