Add 42/40 and 70/60
1st number: 1 2/40, 2nd number: 1 10/60
42/40 + 70/60 is 133/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 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 60 × 2 = 120,
70/60 = 70 × 2/60 × 2 = 140/120 - Add the two like fractions:
126/120 + 140/120 = 126 + 140/120 = 266/120 - 266/120 simplified gives 133/60
- So, 42/40 + 70/60 = 133/60
In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+70/60 42/80+70/60