Add 49/70 and 81/8
1st number: 49/70, 2nd number: 10 1/8
49/70 + 81/8 is 433/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
49/70 = 49 × 4/70 × 4 = 196/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
81/8 = 81 × 35/8 × 35 = 2835/280 - Add the two like fractions:
196/280 + 2835/280 = 196 + 2835/280 = 3031/280 - 3031/280 simplified gives 433/40
- So, 49/70 + 81/8 = 433/40
In mixed form: 1033/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+81/8 49/70+81/16 49/70+81/24 49/70+81/40 49/70+81/56