Add 42/45 and 2/56
42/45 + 2/56 is 407/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
42/45 = 42 × 56/45 × 56 = 2352/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
2/56 = 2 × 45/56 × 45 = 90/2520 - Add the two like fractions:
2352/2520 + 90/2520 = 2352 + 90/2520 = 2442/2520 - 2442/2520 simplified gives 407/420
- So, 42/45 + 2/56 = 407/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+2/56 42/45+4/56 42/90+2/56 42/45+6/56 42/45+10/56 42/45+14/56