Add 40/35 and 70/45
1st number: 1 5/35, 2nd number: 1 25/45
40/35 + 70/45 is 170/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
40/35 = 40 × 9/35 × 9 = 360/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Add the two like fractions:
360/315 + 490/315 = 360 + 490/315 = 850/315 - 850/315 simplified gives 170/63
- So, 40/35 + 70/45 = 170/63
In mixed form: 244/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+70/45 40/70+70/45 40/35+70/90