Add 63/90 and 48/56
63/90 + 48/56 is 109/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
63/90 = 63 × 28/90 × 28 = 1764/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
48/56 = 48 × 45/56 × 45 = 2160/2520 - Add the two like fractions:
1764/2520 + 2160/2520 = 1764 + 2160/2520 = 3924/2520 - 3924/2520 simplified gives 109/70
- So, 63/90 + 48/56 = 109/70
In mixed form: 139/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+96/56