Add 4/70 and 30/56
4/70 + 30/56 is 83/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
30/56 = 30 × 5/56 × 5 = 150/280 - Add the two like fractions:
16/280 + 150/280 = 16 + 150/280 = 166/280 - 166/280 simplified gives 83/140
- So, 4/70 + 30/56 = 83/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+30/56 4/70+60/56 12/70+30/56 4/70+90/56 20/70+30/56 28/70+30/56