Add 90/7 and 1/45
1st number: 12 6/7, 2nd number: 1/45
90/7 + 1/45 is 4057/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
90/7 = 90 × 45/7 × 45 = 4050/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Add the two like fractions:
4050/315 + 7/315 = 4050 + 7/315 = 4057/315 - So, 90/7 + 1/45 = 4057/315
In mixed form: 12277/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+2/45 90/14+1/45 90/7+1/90 90/7+3/45 90/21+1/45 90/7+5/45 90/35+1/45 90/7+7/45 90/49+1/45