Add 4/30 and 90/8
1st number: 4/30, 2nd number: 11 2/8
4/30 + 90/8 is 683/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
4/30 = 4 × 4/30 × 4 = 16/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
90/8 = 90 × 15/8 × 15 = 1350/120 - Add the two like fractions:
16/120 + 1350/120 = 16 + 1350/120 = 1366/120 - 1366/120 simplified gives 683/60
- So, 4/30 + 90/8 = 683/60
In mixed form: 1123/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+90/8 4/60+90/8 4/30+90/16 12/30+90/8 4/90+90/8 4/30+90/24 20/30+90/8 4/30+90/40 28/30+90/8 4/30+90/56