Add 84/10 and 4/72
1st number: 8 4/10, 2nd number: 4/72
84/10 + 4/72 is 761/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
84/10 = 84 × 36/10 × 36 = 3024/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Add the two like fractions:
3024/360 + 20/360 = 3024 + 20/360 = 3044/360 - 3044/360 simplified gives 761/90
- So, 84/10 + 4/72 = 761/90
In mixed form: 841/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+8/72 84/20+4/72 84/10+12/72 84/30+4/72 84/10+20/72 84/50+4/72 84/10+28/72 84/70+4/72