Add 30/27 and 60/70
1st number: 1 3/27, 2nd number: 60/70
30/27 + 60/70 is 124/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
30/27 = 30 × 70/27 × 70 = 2100/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
60/70 = 60 × 27/70 × 27 = 1620/1890 - Add the two like fractions:
2100/1890 + 1620/1890 = 2100 + 1620/1890 = 3720/1890 - 3720/1890 simplified gives 124/63
- So, 30/27 + 60/70 = 124/63
In mixed form: 161/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27+60/70 30/54+60/70 90/27+60/70 30/81+60/70