Add 42/30 and 50/45
1st number: 1 12/30, 2nd number: 1 5/45
42/30 + 50/45 is 113/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Add the two like fractions:
126/90 + 100/90 = 126 + 100/90 = 226/90 - 226/90 simplified gives 113/45
- So, 42/30 + 50/45 = 113/45
In mixed form: 223/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+50/45 42/60+50/45 42/30+50/90 42/90+50/45