Answers

Add 98/28 and 63/15

1^st number: 3 14/28, 2^nd number: 4 3/15

98/28 + 63/15 is 77/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   98/28 = 98 × 15/28 × 15 = 1470/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   63/15 = 63 × 28/15 × 28 = 1764/420
4. Add the two like fractions:
   1470/420 + 1764/420 = 1470 + 1764/420 = 3234/420
5. 3234/420 simplified gives 77/10
6. So, 98/28 + 63/15 = 77/10
   In mixed form: 77/10

MathStep (Works offline)

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

Related: ⁹⁸/₅₆+⁶³/₁₅ ⁹⁸/₂₈+⁶³/₃₀ ⁹⁸/₈₄+⁶³/₁₅ ⁹⁸/₂₈+⁶³/₄₅ ⁹⁸/₂₈+⁶³/₇₅

Add Fractions Calculator