Add 7/40 and 5/35
7/40 + 5/35 is 89/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
5/35 = 5 × 8/35 × 8 = 40/280 - Add the two like fractions:
49/280 + 40/280 = 49 + 40/280 = 89/280 - So, 7/40 + 5/35 = 89/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+5/35 7/40+10/35 7/80+5/35 7/40+5/70 21/40+5/35 7/40+15/35 35/40+5/35 7/40+25/35 49/40+5/35