Add 54/30 and 40/7
1st number: 1 24/30, 2nd number: 5 5/7
54/30 + 40/7 is 263/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
54/30 = 54 × 7/30 × 7 = 378/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
40/7 = 40 × 30/7 × 30 = 1200/210 - Add the two like fractions:
378/210 + 1200/210 = 378 + 1200/210 = 1578/210 - 1578/210 simplified gives 263/35
- So, 54/30 + 40/7 = 263/35
In mixed form: 718/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+80/7 54/60+40/7 54/30+40/14 54/90+40/7 54/30+40/21 54/30+40/35 54/30+40/49