Add 90/30 and 45/32
1st number: 3 0/30, 2nd number: 1 13/32
90/30 + 45/32 is 141/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
90/30 = 90 × 16/30 × 16 = 1440/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
45/32 = 45 × 15/32 × 15 = 675/480 - Add the two like fractions:
1440/480 + 675/480 = 1440 + 675/480 = 2115/480 - 2115/480 simplified gives 141/32
- So, 90/30 + 45/32 = 141/32
In mixed form: 413/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+90/32 90/60+45/32 90/30+45/64 90/30+45/96