Add 81/50 and 12/70
1st number: 1 31/50, 2nd number: 12/70
81/50 + 12/70 is 627/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
81/50 = 81 × 7/50 × 7 = 567/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
12/70 = 12 × 5/70 × 5 = 60/350 - Add the two like fractions:
567/350 + 60/350 = 567 + 60/350 = 627/350 - So, 81/50 + 12/70 = 627/350
In mixed form: 1277/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50+24/70 81/50+36/70 81/50+60/70 81/50+84/70