Add 42/40 and 5/30
1st number: 1 2/40, 2nd number: 5/30
42/40 + 5/30 is 73/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
5/30 = 5 × 4/30 × 4 = 20/120 - Add the two like fractions:
126/120 + 20/120 = 126 + 20/120 = 146/120 - 146/120 simplified gives 73/60
- So, 42/40 + 5/30 = 73/60
In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+5/30 42/40+10/30 42/80+5/30 42/40+5/60 42/40+15/30 42/40+5/90 42/40+25/30 42/40+35/30