Add 84/15 and 4/56
1st number: 5 9/15, 2nd number: 4/56
84/15 + 4/56 is 397/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
84/15 = 84 × 56/15 × 56 = 4704/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
4/56 = 4 × 15/56 × 15 = 60/840 - Add the two like fractions:
4704/840 + 60/840 = 4704 + 60/840 = 4764/840 - 4764/840 simplified gives 397/70
- So, 84/15 + 4/56 = 397/70
In mixed form: 547/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+8/56 84/30+4/56 84/15+12/56 84/45+4/56 84/15+20/56 84/75+4/56 84/15+28/56