Add 48/63 and 20/49
48/63 + 20/49 is 172/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
48/63 = 48 × 7/63 × 7 = 336/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Add the two like fractions:
336/441 + 180/441 = 336 + 180/441 = 516/441 - 516/441 simplified gives 172/147
- So, 48/63 + 20/49 = 172/147
In mixed form: 125/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/63+20/49 48/63+40/49 48/63+20/98 48/63+60/49