Add 54/40 and 4/84
1st number: 1 14/40, 2nd number: 4/84
54/40 + 4/84 is 587/420.
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,
54/40 = 54 × 21/40 × 21 = 1134/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
4/84 = 4 × 10/84 × 10 = 40/840 - Add the two like fractions:
1134/840 + 40/840 = 1134 + 40/840 = 1174/840 - 1174/840 simplified gives 587/420
- So, 54/40 + 4/84 = 587/420
In mixed form: 1167/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+8/84 54/80+4/84 54/40+12/84 54/40+20/84 54/40+28/84