Add 7/30 and 54/80
7/30 + 54/80 is 109/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
7/30 = 7 × 8/30 × 8 = 56/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
54/80 = 54 × 3/80 × 3 = 162/240 - Add the two like fractions:
56/240 + 162/240 = 56 + 162/240 = 218/240 - 218/240 simplified gives 109/120
- So, 7/30 + 54/80 = 109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+54/80 7/60+54/80 21/30+54/80 7/90+54/80 35/30+54/80 49/30+54/80