Add 56/90 and 4/42
56/90 + 4/42 is 226/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
56/90 = 56 × 7/90 × 7 = 392/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
4/42 = 4 × 15/42 × 15 = 60/630 - Add the two like fractions:
392/630 + 60/630 = 392 + 60/630 = 452/630 - 452/630 simplified gives 226/315
- So, 56/90 + 4/42 = 226/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+8/42 56/90+4/84 56/90+12/42 56/90+20/42 56/90+28/42