Add 98/56 and 12/70
1st number: 1 42/56, 2nd number: 12/70
98/56 + 12/70 is 269/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Add the two like fractions:
490/280 + 48/280 = 490 + 48/280 = 538/280 - 538/280 simplified gives 269/140
- So, 98/56 + 12/70 = 269/140
In mixed form: 1129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+24/70 98/56+36/70 98/56+60/70 98/56+84/70