Add 70/98 and 49/60
70/98 + 49/60 is 643/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 98 × 30 = 2940,
70/98 = 70 × 30/98 × 30 = 2100/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
49/60 = 49 × 49/60 × 49 = 2401/2940 - Add the two like fractions:
2100/2940 + 2401/2940 = 2100 + 2401/2940 = 4501/2940 - 4501/2940 simplified gives 643/420
- So, 70/98 + 49/60 = 643/420
In mixed form: 1223/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+98/60