Add 49/45 and 42/63
1st number: 1 4/45, 2nd number: 42/63
49/45 + 42/63 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
49/45 = 49 × 7/45 × 7 = 343/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315 - Add the two like fractions:
343/315 + 210/315 = 343 + 210/315 = 553/315 - 553/315 simplified gives 79/45
- So, 49/45 + 42/63 = 79/45
In mixed form: 134/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45+42/63 49/45+84/63 49/90+42/63