Add 72/10 and 72/54
1st number: 7 2/10, 2nd number: 1 18/54
72/10 + 72/54 is 128/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
72/10 = 72 × 27/10 × 27 = 1944/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Add the two like fractions:
1944/270 + 360/270 = 1944 + 360/270 = 2304/270 - 2304/270 simplified gives 128/15
- So, 72/10 + 72/54 = 128/15
In mixed form: 88/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+72/54 72/30+72/54 72/50+72/54 72/70+72/54