Add 45/30 and 32/80
1st number: 1 15/30, 2nd number: 32/80
45/30 + 32/80 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
32/80 = 32 × 3/80 × 3 = 96/240 - Add the two like fractions:
360/240 + 96/240 = 360 + 96/240 = 456/240 - 456/240 simplified gives 19/10
- So, 45/30 + 32/80 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+32/80 45/30+64/80 45/60+32/80 45/30+96/80 45/90+32/80