Add 98/40 and 63/15
1st number: 2 18/40, 2nd number: 4 3/15
98/40 + 63/15 is 133/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120 - Add the two like fractions:
294/120 + 504/120 = 294 + 504/120 = 798/120 - 798/120 simplified gives 133/20
- So, 98/40 + 63/15 = 133/20
In mixed form: 613/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80+63/15 98/40+63/30 98/40+63/45 98/40+63/75