Add 2/40 and 18/84
2/40 + 18/84 is 37/140.
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,
2/40 = 2 × 21/40 × 21 = 42/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
18/84 = 18 × 10/84 × 10 = 180/840 - Add the two like fractions:
42/840 + 180/840 = 42 + 180/840 = 222/840 - 222/840 simplified gives 37/140
- So, 2/40 + 18/84 = 37/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+18/84 2/40+36/84 2/80+18/84 6/40+18/84 2/40+54/84 10/40+18/84 2/40+90/84 14/40+18/84