Add 45/56 and 36/30
1st number: 45/56, 2nd number: 1 6/30
45/56 + 36/30 is 561/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
36/30 = 36 × 28/30 × 28 = 1008/840 - Add the two like fractions:
675/840 + 1008/840 = 675 + 1008/840 = 1683/840 - 1683/840 simplified gives 561/280
- So, 45/56 + 36/30 = 561/280
In mixed form: 21/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+36/30 45/56+72/30 45/56+36/60 45/56+36/90