Add 45/14 and 90/42
1st number: 3 3/14, 2nd number: 2 6/42
45/14 + 90/42 is 75/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Add the two like fractions:
135/42 + 90/42 = 135 + 90/42 = 225/42 - 225/42 simplified gives 75/14
- So, 45/14 + 90/42 = 75/14
In mixed form: 55/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+90/42 45/28+90/42 45/14+90/84 45/42+90/42 45/70+90/42 45/98+90/42