Answers

Add 3/28 and 42/35

1^st number: 3/28, 2^nd number: 1 7/35

3/28 + 42/35 is 183/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
2. For the 1st fraction, since 28 × 5 = 140,
   3/28 = 3 × 5/28 × 5 = 15/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   42/35 = 42 × 4/35 × 4 = 168/140
4. Add the two fractions:
   15/140 + 168/140 = 15 + 168/140 = 183/140
5. So, 3/28 + 42/35 = 183/140
   In mixed form: 143/140

MathStep (Works offline)

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

Related: ⁶/₂₈+⁴²/₃₅ ³/₂₈+⁸⁴/₃₅ ³/₅₆+⁴²/₃₅ ³/₂₈+⁴²/₇₀ ⁹/₂₈+⁴²/₃₅ ³/₈₄+⁴²/₃₅ ¹⁵/₂₈+⁴²/₃₅ ²¹/₂₈+⁴²/₃₅

Add Fractions Calculator