Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/7 and 28/27

1st number: 10 2/7, 2nd number: 1 1/27

72/7 + 28/27 is 2140/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189
  2. For the 1st fraction, since 7 × 27 = 189,
    72/7 = 72 × 27/7 × 27 = 1944/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    28/27 = 28 × 7/27 × 7 = 196/189
  4. Add the two fractions:
    1944/189 + 196/189 = 1944 + 196/189 = 2140/189
  5. So, 72/7 + 28/27 = 2140/189
    In mixed form: 1161/189

MathStep (Works offline)

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

Related:

© everydaycalculation.com