Add 75/98 and 63/40
1st number: 75/98, 2nd number: 1 23/40
75/98 + 63/40 is 4587/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
75/98 = 75 × 20/98 × 20 = 1500/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
63/40 = 63 × 49/40 × 49 = 3087/1960 - Add the two like fractions:
1500/1960 + 3087/1960 = 1500 + 3087/1960 = 4587/1960 - So, 75/98 + 63/40 = 4587/1960
In mixed form: 2667/1960
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/98+63/80