Add 70/56 and 90/98
1st number: 1 14/56, 2nd number: 90/98
70/56 + 90/98 is 425/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
70/56 = 70 × 7/56 × 7 = 490/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
90/98 = 90 × 4/98 × 4 = 360/392 - Add the two like fractions:
490/392 + 360/392 = 490 + 360/392 = 850/392 - 850/392 simplified gives 425/196
- So, 70/56 + 90/98 = 425/196
In mixed form: 233/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: