Add 54/7 and 70/40
1st number: 7 5/7, 2nd number: 1 30/40
54/7 + 70/40 is 265/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
54/7 = 54 × 40/7 × 40 = 2160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
2160/280 + 490/280 = 2160 + 490/280 = 2650/280 - 2650/280 simplified gives 265/28
- So, 54/7 + 70/40 = 265/28
In mixed form: 913/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+70/40 54/7+70/80 54/21+70/40 54/35+70/40 54/49+70/40