Answers

Add 63/45 and 42/72

1^st number: 1 18/45, 2^nd number: 42/72

63/45 + 42/72 is 119/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   63/45 = 63 × 8/45 × 8 = 504/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   42/72 = 42 × 5/72 × 5 = 210/360
4. Add the two like fractions:
   504/360 + 210/360 = 504 + 210/360 = 714/360
5. 714/360 simplified gives 119/60
6. So, 63/45 + 42/72 = 119/60
   In mixed form: 159/60

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁶³/₄₅+⁸⁴/₇₂ ⁶³/₉₀+⁴²/₇₂

Add Fractions Calculator