Add 90/40 and 2/84
1st number: 2 10/40, 2nd number: 2/84
90/40 + 2/84 is 191/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
90/40 = 90 × 21/40 × 21 = 1890/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
2/84 = 2 × 10/84 × 10 = 20/840 - Add the two like fractions:
1890/840 + 20/840 = 1890 + 20/840 = 1910/840 - 1910/840 simplified gives 191/84
- So, 90/40 + 2/84 = 191/84
In mixed form: 223/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+4/84 90/80+2/84 90/40+6/84 90/40+10/84 90/40+14/84