Add 40/15 and 1/56
1st number: 2 10/15, 2nd number: 1/56
40/15 + 1/56 is 451/168.
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,
40/15 = 40 × 56/15 × 56 = 2240/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
1/56 = 1 × 15/56 × 15 = 15/840 - Add the two like fractions:
2240/840 + 15/840 = 2240 + 15/840 = 2255/840 - 2255/840 simplified gives 451/168
- So, 40/15 + 1/56 = 451/168
In mixed form: 2115/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+1/56 40/15+2/56 40/30+1/56 40/15+3/56 40/45+1/56 40/15+5/56 40/75+1/56 40/15+7/56