Add 42/16 and 16/90
1st number: 2 10/16, 2nd number: 16/90
42/16 + 16/90 is 1009/360.
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,
42/16 = 42 × 45/16 × 45 = 1890/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
16/90 = 16 × 8/90 × 8 = 128/720 - Add the two like fractions:
1890/720 + 128/720 = 1890 + 128/720 = 2018/720 - 2018/720 simplified gives 1009/360
- So, 42/16 + 16/90 = 1009/360
In mixed form: 2289/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16+16/90 42/16+32/90 42/32+16/90 42/16+48/90 42/48+16/90 42/16+80/90 42/80+16/90