Add 98/42 and 49/80
1st number: 2 14/42, 2nd number: 49/80
98/42 + 49/80 is 707/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
98/42 = 98 × 40/42 × 40 = 3920/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
49/80 = 49 × 21/80 × 21 = 1029/1680 - Add the two like fractions:
3920/1680 + 1029/1680 = 3920 + 1029/1680 = 4949/1680 - 4949/1680 simplified gives 707/240
- So, 98/42 + 49/80 = 707/240
In mixed form: 2227/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+98/80 98/84+49/80