Add 30/40 and 12/48
30/40 + 12/48 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
30/40 = 30 × 6/40 × 6 = 180/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
12/48 = 12 × 5/48 × 5 = 60/240 - Add the two like fractions:
180/240 + 60/240 = 180 + 60/240 = 240/240 - 240/240 simplified gives 1/1
- So, 30/40 + 12/48 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+12/48 30/40+24/48 30/80+12/48 30/40+12/96 90/40+12/48 30/40+36/48 30/40+60/48 30/40+84/48