Add 15/30 and 12/32
15/30 + 12/32 is 7/8.
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,
15/30 = 15 × 16/30 × 16 = 240/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
12/32 = 12 × 15/32 × 15 = 180/480 - Add the two like fractions:
240/480 + 180/480 = 240 + 180/480 = 420/480 - 420/480 simplified gives 7/8
- So, 15/30 + 12/32 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30+24/32 15/60+12/32 15/30+12/64 45/30+12/32 15/30+36/32 15/90+12/32 15/30+12/96 75/30+12/32 15/30+60/32 15/30+84/32