Answers

Add 7/72 and 2/70

7/72 + 2/70 is 317/2520.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 70 is 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   7/72 = 7 × 35/72 × 35 = 245/2520
3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
   2/70 = 2 × 36/70 × 36 = 72/2520
4. Add the two fractions:
   245/2520 + 72/2520 = 245 + 72/2520 = 317/2520

MathStep (Works offline)

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

Related: ¹⁴/₇₂+²/₇₀ ⁷/₇₂+⁴/₇₀ ²¹/₇₂+²/₇₀ ⁷/₇₂+⁶/₇₀ ³⁵/₇₂+²/₇₀ ⁷/₇₂+¹⁰/₇₀ ⁴⁹/₇₂+²/₇₀ ⁷/₇₂+¹⁴/₇₀

Add Fractions Calculator