Add 98/70 and 12/27
1st number: 1 28/70, 2nd number: 12/27
98/70 + 12/27 is 83/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
98/70 = 98 × 27/70 × 27 = 2646/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
12/27 = 12 × 70/27 × 70 = 840/1890 - Add the two like fractions:
2646/1890 + 840/1890 = 2646 + 840/1890 = 3486/1890 - 3486/1890 simplified gives 83/45
- So, 98/70 + 12/27 = 83/45
In mixed form: 138/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+24/27 98/70+12/54 98/70+36/27 98/70+12/81 98/70+60/27 98/70+84/27