Add 54/70 and 4/8
54/70 + 4/8 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
54/70 = 54 × 4/70 × 4 = 216/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
4/8 = 4 × 35/8 × 35 = 140/280 - Add the two like fractions:
216/280 + 140/280 = 216 + 140/280 = 356/280 - 356/280 simplified gives 89/70
- So, 54/70 + 4/8 = 89/70
In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+4/16 54/70+12/8 54/70+4/24 54/70+20/8 54/70+4/40 54/70+28/8 54/70+4/56