Add 81/48 and 45/70
1st number: 1 33/48, 2nd number: 45/70
81/48 + 45/70 is 261/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
81/48 = 81 × 35/48 × 35 = 2835/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
45/70 = 45 × 24/70 × 24 = 1080/1680 - Add the two like fractions:
2835/1680 + 1080/1680 = 2835 + 1080/1680 = 3915/1680 - 3915/1680 simplified gives 261/112
- So, 81/48 + 45/70 = 261/112
In mixed form: 237/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/48+90/70 81/96+45/70