Add 42/70 and 4/60
42/70 + 4/60 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Add the two like fractions:
252/420 + 28/420 = 252 + 28/420 = 280/420 - 280/420 simplified gives 2/3
- So, 42/70 + 4/60 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+4/60 42/70+8/60 42/70+12/60 42/70+20/60 42/70+28/60