Add 49/90 and 4/42
49/90 + 4/42 is 403/630.
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,
49/90 = 49 × 7/90 × 7 = 343/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
4/42 = 4 × 15/42 × 15 = 60/630 - Add the two like fractions:
343/630 + 60/630 = 343 + 60/630 = 403/630 - So, 49/90 + 4/42 = 403/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+4/42 49/90+8/42 49/90+4/84 49/90+12/42 49/90+20/42 49/90+28/42