Add 45/4 and 70/40
1st number: 11 1/4, 2nd number: 1 30/40
45/4 + 70/40 is 13/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
45/4 = 45 × 10/4 × 10 = 450/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Add the two like fractions:
450/40 + 70/40 = 450 + 70/40 = 520/40 - 520/40 simplified gives 13/1
- So, 45/4 + 70/40 = 13/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+70/40 45/8+70/40 45/4+70/80 45/12+70/40 45/20+70/40 45/28+70/40