Add 48/84 and 90/15
1st number: 48/84, 2nd number: 6 0/15
48/84 + 90/15 is 46/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
48/84 = 48 × 5/84 × 5 = 240/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
90/15 = 90 × 28/15 × 28 = 2520/420 - Add the two like fractions:
240/420 + 2520/420 = 240 + 2520/420 = 2760/420 - 2760/420 simplified gives 46/7
- So, 48/84 + 90/15 = 46/7
In mixed form: 64/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84+90/15 48/84+90/30 48/84+90/45 48/84+90/75