Answers

Add 32/84 and 15/45

32/84 + 15/45 is 5/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   32/84 = 32 × 15/84 × 15 = 480/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   15/45 = 15 × 28/45 × 28 = 420/1260
4. Add the two like fractions:
   480/1260 + 420/1260 = 480 + 420/1260 = 900/1260
5. 900/1260 simplified gives 5/7
6. So, 32/84 + 15/45 = 5/7

MathStep (Works offline)

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

Related: ⁶⁴/₈₄+¹⁵/₄₅ ³²/₈₄+³⁰/₄₅ ³²/₈₄+¹⁵/₉₀ ⁹⁶/₈₄+¹⁵/₄₅ ³²/₈₄+⁷⁵/₄₅

Add Fractions Calculator