Add 7/56 and 90/30
1st number: 7/56, 2nd number: 3 0/30
7/56 + 90/30 is 25/8.
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,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
90/30 = 90 × 28/30 × 28 = 2520/840 - Add the two like fractions:
105/840 + 2520/840 = 105 + 2520/840 = 2625/840 - 2625/840 simplified gives 25/8
- So, 7/56 + 90/30 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+90/30 7/56+90/60 21/56+90/30 35/56+90/30 49/56+90/30