Add 35/63 and 42/45
35/63 + 42/45 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
35/63 = 35 × 5/63 × 5 = 175/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
42/45 = 42 × 7/45 × 7 = 294/315 - Add the two like fractions:
175/315 + 294/315 = 175 + 294/315 = 469/315 - 469/315 simplified gives 67/45
- So, 35/63 + 42/45 = 67/45
In mixed form: 122/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63+42/45 35/63+84/45 35/63+42/90