Add 4/45 and 25/40
4/45 + 25/40 is 257/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
4/45 = 4 × 8/45 × 8 = 32/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
25/40 = 25 × 9/40 × 9 = 225/360 - Add the two like fractions:
32/360 + 225/360 = 32 + 225/360 = 257/360 - So, 4/45 + 25/40 = 257/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+25/40 4/45+50/40 4/90+25/40 4/45+25/80 12/45+25/40 4/45+75/40 20/45+25/40 28/45+25/40