Add 48/63 and 42/15
1st number: 48/63, 2nd number: 2 12/15
48/63 + 42/15 is 374/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
48/63 = 48 × 5/63 × 5 = 240/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
42/15 = 42 × 21/15 × 21 = 882/315 - Add the two like fractions:
240/315 + 882/315 = 240 + 882/315 = 1122/315 - 1122/315 simplified gives 374/105
- So, 48/63 + 42/15 = 374/105
In mixed form: 359/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/63+42/15 48/63+84/15 48/63+42/30 48/63+42/45 48/63+42/75