Add 20/45 and 8/35
20/45 + 8/35 is 212/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
20/45 = 20 × 7/45 × 7 = 140/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
8/35 = 8 × 9/35 × 9 = 72/315 - Add the two like fractions:
140/315 + 72/315 = 140 + 72/315 = 212/315 - So, 20/45 + 8/35 = 212/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+8/35 20/45+16/35 20/90+8/35 20/45+8/70 60/45+8/35 20/45+24/35 20/45+40/35 20/45+56/35