Add 45/90 and 4/35
45/90 + 4/35 is 43/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
45/90 = 45 × 7/90 × 7 = 315/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
4/35 = 4 × 18/35 × 18 = 72/630 - Add the two like fractions:
315/630 + 72/630 = 315 + 72/630 = 387/630 - 387/630 simplified gives 43/70
- So, 45/90 + 4/35 = 43/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+8/35 45/90+4/70 45/90+12/35 45/90+20/35 45/90+28/35