Add 70/54 and 1/45
1st number: 1 16/54, 2nd number: 1/45
70/54 + 1/45 is 178/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
1/45 = 1 × 6/45 × 6 = 6/270 - Add the two like fractions:
350/270 + 6/270 = 350 + 6/270 = 356/270 - 356/270 simplified gives 178/135
- So, 70/54 + 1/45 = 178/135
In mixed form: 143/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+2/45 70/54+1/90 70/54+3/45 70/54+5/45 70/54+7/45