Add 4/35 and 18/40
4/35 + 18/40 is 79/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
4/35 = 4 × 8/35 × 8 = 32/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
32/280 + 126/280 = 32 + 126/280 = 158/280 - 158/280 simplified gives 79/140
- So, 4/35 + 18/40 = 79/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35+18/40 4/35+36/40 4/70+18/40 4/35+18/80 12/35+18/40 4/35+54/40 20/35+18/40 4/35+90/40 28/35+18/40