Add 2/30 and 90/72
1st number: 2/30, 2nd number: 1 18/72
2/30 + 90/72 is 79/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
2/30 = 2 × 12/30 × 12 = 24/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
24/360 + 450/360 = 24 + 450/360 = 474/360 - 474/360 simplified gives 79/60
- So, 2/30 + 90/72 = 79/60
In mixed form: 119/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+90/72 2/60+90/72 6/30+90/72 2/90+90/72 10/30+90/72 14/30+90/72