Add 8/30 and 90/56
1st number: 8/30, 2nd number: 1 34/56
8/30 + 90/56 is 787/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
8/30 = 8 × 28/30 × 28 = 224/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
224/840 + 1350/840 = 224 + 1350/840 = 1574/840 - 1574/840 simplified gives 787/420
- So, 8/30 + 90/56 = 787/420
In mixed form: 1367/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+90/56 8/60+90/56 24/30+90/56 8/90+90/56 40/30+90/56 56/30+90/56