Add 70/50 and 81/7
1st number: 1 20/50, 2nd number: 11 4/7
70/50 + 81/7 is 454/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
70/50 = 70 × 7/50 × 7 = 490/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
81/7 = 81 × 50/7 × 50 = 4050/350 - Add the two like fractions:
490/350 + 4050/350 = 490 + 4050/350 = 4540/350 - 4540/350 simplified gives 454/35
- So, 70/50 + 81/7 = 454/35
In mixed form: 1234/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+81/14 70/50+81/21 70/50+81/35 70/50+81/49