Add 70/16 and 54/90
1st number: 4 6/16, 2nd number: 54/90
70/16 + 54/90 is 199/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
54/90 = 54 × 8/90 × 8 = 432/720 - Add the two like fractions:
3150/720 + 432/720 = 3150 + 432/720 = 3582/720 - 3582/720 simplified gives 199/40
- So, 70/16 + 54/90 = 199/40
In mixed form: 439/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32+54/90 70/48+54/90 70/80+54/90