Add 90/42 and 63/50
1st number: 2 6/42, 2nd number: 1 13/50
90/42 + 63/50 is 1191/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
90/42 = 90 × 25/42 × 25 = 2250/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
63/50 = 63 × 21/50 × 21 = 1323/1050 - Add the two like fractions:
2250/1050 + 1323/1050 = 2250 + 1323/1050 = 3573/1050 - 3573/1050 simplified gives 1191/350
- So, 90/42 + 63/50 = 1191/350
In mixed form: 3141/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+63/50